Vulnerability in linux
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as UBUNTU-CVE-2024-56647 has been found in linux.
Risk of unauthorized operations or information disclosure.
What to do: upgrade linux to 6.8.0-1027.29~22.04.1 or later.
If unsure, ask your IT team or search "linux UBUNTU-CVE-2024-56647" on the vendor's site.
UBUNTU-CVE-2024-56647 (linux)
Attack vector: local / no user interaction
Patched: 6.8.0-1027.29~22.04.1 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (unclassified) exists in linux.
Check the vendor advisory for the affected versions of linux.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to 6.8.0-1027.29~22.04.1.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'linux' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1
Identify exposureidentify
grep -r 'linux' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
linuxを grep し、稼働しているサービス・バージョンを把握する。 -
2
Apply patchpatch
Upgrade linux to 6.8.0-1027.29~22.04.1ステージング環境で 6.8.0-1027.29~22.04.1 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3
Post-deployment verificationverify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
| Ecosystem | Package | Affected | Fixed |
|---|---|---|---|
| Ubuntu:Pro:14.04:LTS | linux |
All versions |
— |
| Ubuntu:Pro:14.04:LTS | linux-aws |
All versions |
— |
| Ubuntu:Pro:14.04:LTS | linux-azure |
All versions |
— |
| Ubuntu:Pro:14.04:LTS | linux-lts-xenial |
All versions |
— |
| Ubuntu:Pro:16.04:LTS | linux |
All versions |
— |
| Ubuntu:Pro:16.04:LTS | linux-aws |
All versions |
— |
| Ubuntu:Pro:16.04:LTS | linux-aws-hwe |
All versions |
— |
| Ubuntu:Pro:16.04:LTS | linux-azure |
All versions |
— |
| Ubuntu:Pro:16.04:LTS | linux-gcp |
All versions |
— |
| Ubuntu:Pro:16.04:LTS | linux-hwe |
All versions |
— |
| Ubuntu:16.04:LTS | linux-hwe-edge |
All versions |
— |
| Ubuntu:Pro:16.04:LTS | linux-kvm |
All versions |
— |
| Ubuntu:Pro:16.04:LTS | linux-oracle |
All versions |
— |
| Ubuntu:Pro:FIPS:16.04:LTS | linux-fips |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-aws |
All versions |
— |
| Ubuntu:18.04:LTS | linux-aws-5.0 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-aws-5.3 |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-aws-5.4 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-azure |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-azure-4.15 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-azure-5.3 |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-azure-5.4 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-azure-edge |
All versions |
— |
| Ubuntu:18.04:LTS | linux-gcp |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-gcp-4.15 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-gcp-5.3 |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-gcp-5.4 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-gke-4.15 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-gke-5.4 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-gkeop-5.4 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-hwe |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-hwe-5.4 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-hwe-edge |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-ibm-5.4 |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-kvm |
All versions |
— |
| Ubuntu:18.04:LTS | linux-oem |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-oracle |
All versions |
— |
| Ubuntu:18.04:LTS | linux-oracle-5.0 |
All versions |
— |
| Ubuntu:18.04:LTS | linux-oracle-5.3 |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-oracle-5.4 |
All versions |
— |
| Ubuntu:Pro:18.04:LTS | linux-raspi-5.4 |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-aws-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-azure-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-gcp-fips |
All versions |
— |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-aws-fips |
All versions |
— |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-azure-fips |
All versions |
— |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-fips |
All versions |
— |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-gcp-fips |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-aws |
All versions |
— |
| Ubuntu:20.04:LTS | linux-aws-5.11 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-aws-5.13 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-aws-5.15 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-aws-5.8 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-azure |
All versions |
— |
| Ubuntu:20.04:LTS | linux-azure-5.11 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-azure-5.13 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-azure-5.15 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-azure-5.8 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-azure-fde |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-bluefield |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-gcp |
All versions |
— |
| Ubuntu:20.04:LTS | linux-gcp-5.11 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-gcp-5.13 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-gcp-5.15 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-gcp-5.8 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-gke |
All versions |
— |
| Ubuntu:20.04:LTS | linux-gke-5.15 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-gkeop |
All versions |
— |
| Ubuntu:20.04:LTS | linux-gkeop-5.15 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-hwe-5.11 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-hwe-5.13 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-hwe-5.15 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-hwe-5.8 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-ibm |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-ibm-5.15 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-intel-5.13 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-intel-iotg-5.15 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-iot |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-kvm |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-lowlatency-hwe-5.15 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-nvidia-tegra-5.15 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-oem-5.10 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-oem-5.13 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-oem-5.14 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-oem-5.6 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-oracle |
All versions |
— |
| Ubuntu:20.04:LTS | linux-oracle-5.11 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-oracle-5.13 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-oracle-5.15 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-oracle-5.8 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-raspi |
All versions |
— |
| Ubuntu:20.04:LTS | linux-raspi2 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-riscv |
All versions |
— |
| Ubuntu:20.04:LTS | linux-riscv-5.11 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-riscv-5.15 |
All versions |
— |
| Ubuntu:20.04:LTS | linux-riscv-5.8 |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-xilinx-zynqmp |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-aws-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-azure-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-gcp-fips |
All versions |
— |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-aws-fips |
All versions |
— |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-azure-fips |
All versions |
— |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-fips |
All versions |
— |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-gcp-fips |
All versions |
— |
| Ubuntu:22.04:LTS | linux |
All versions |
— |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-aws |
All versions |
— |
| Ubuntu:22.04:LTS | linux-aws-5.19 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-aws-6.2 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-aws-6.5 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-aws-6.8 |
< 6.8.0-1027.29~22.04.1 |
6.8.0-1027.29~22.04.1 |
| Ubuntu:22.04:LTS | linux-azure |
All versions |
— |
| Ubuntu:22.04:LTS | linux-azure-5.19 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-azure-6.2 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-azure-6.5 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-azure-6.8 |
< 6.8.0-1027.32~22.04.1 |
6.8.0-1027.32~22.04.1 |
| Ubuntu:22.04:LTS | linux-azure-fde |
All versions |
— |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-gcp |
All versions |
— |
| Ubuntu:22.04:LTS | linux-gcp-5.19 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-gcp-6.2 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-gcp-6.5 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-gcp-6.8 |
< 6.8.0-1028.30~22.04.1 |
6.8.0-1028.30~22.04.1 |
| Ubuntu:22.04:LTS | linux-gke |
All versions |
— |
| Ubuntu:22.04:LTS | linux-gkeop |
All versions |
— |
| Ubuntu:22.04:LTS | linux-hwe-5.19 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-hwe-6.2 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-hwe-6.5 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-hwe-6.8 |
< 6.8.0-58.60~22.04.1 |
6.8.0-58.60~22.04.1 |
| Ubuntu:22.04:LTS | linux-ibm |
All versions |
— |
| Ubuntu:22.04:LTS | linux-ibm-6.8 |
< 6.8.0-1024.24~22.04.1 |
6.8.0-1024.24~22.04.1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime |
All versions |
— |
| Ubuntu:22.04:LTS | linux-intel-iotg |
All versions |
— |
| Ubuntu:22.04:LTS | linux-kvm |
All versions |
— |
| Ubuntu:22.04:LTS | linux-lowlatency |
All versions |
— |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 |
< 6.8.0-58.60.1~22.04.1 |
6.8.0-58.60.1~22.04.1 |
| Ubuntu:22.04:LTS | linux-nvidia |
All versions |
— |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 |
< 6.8.0-1026.29~22.04.1 |
6.8.0-1026.29~22.04.1 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra |
All versions |
— |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx |
All versions |
— |
| Ubuntu:22.04:LTS | linux-oem-5.17 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-oem-6.0 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-oem-6.1 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-oem-6.5 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-oracle |
All versions |
— |
| Ubuntu:22.04:LTS | linux-oracle-6.5 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-oracle-6.8 |
< 6.8.0-1024.25~22.04.1 |
6.8.0-1024.25~22.04.1 |
| Ubuntu:22.04:LTS | linux-raspi |
All versions |
— |
| Ubuntu:22.04:LTS | linux-realtime |
All versions |
— |
| Ubuntu:22.04:LTS | linux-riscv |
All versions |
— |
| Ubuntu:22.04:LTS | linux-riscv-5.19 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-riscv-6.5 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-riscv-6.8 |
< 6.8.0-58.60.1~22.04.1 |
6.8.0-58.60.1~22.04.1 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-starfive-6.2 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-starfive-6.5 |
All versions |
— |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp |
All versions |
— |
| Ubuntu:Nvidia-BlueField:22.04:LTS | linux-bluefield |
All versions |
— |
| Ubuntu:Pro:FIPS-preview:22.04:LTS | linux-aws-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-preview:22.04:LTS | linux-azure-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-preview:22.04:LTS | linux-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-preview:22.04:LTS | linux-gcp-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:22.04:LTS | linux-aws-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:22.04:LTS | linux-azure-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:22.04:LTS | linux-fips |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:22.04:LTS | linux-gcp-fips |
All versions |
— |
| Ubuntu:Pro:Realtime:22.04:LTS | linux-intel-iot-realtime |
All versions |
— |
| Ubuntu:Pro:Realtime:22.04:LTS | linux-realtime |
All versions |
— |
| Ubuntu:Pro:Realtime:22.04:LTS | linux-realtime-6.8 |
< 6.8.1-1020.21~22.04.1 |
6.8.1-1020.21~22.04.1 |
| Ubuntu:24.04:LTS | linux |
< 6.8.0-58.60 |
6.8.0-58.60 |
| Ubuntu:24.04:LTS | linux-aws |
< 6.8.0-1027.29 |
6.8.0-1027.29 |
| Ubuntu:24.04:LTS | linux-azure |
< 6.8.0-1027.32 |
6.8.0-1027.32 |
| Ubuntu:24.04:LTS | linux-azure-6.11 |
< 6.11.0-1012.12~24.04.1 |
6.11.0-1012.12~24.04.1 |
| Ubuntu:24.04:LTS | linux-azure-nvidia |
< 6.8.0-1014.15 |
6.8.0-1014.15 |
| Ubuntu:24.04:LTS | linux-gcp |
< 6.8.0-1028.30 |
6.8.0-1028.30 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 |
< 6.11.0-1011.11~24.04.1 |
6.11.0-1011.11~24.04.1 |
| Ubuntu:24.04:LTS | linux-gke |
< 6.8.0-1023.27 |
6.8.0-1023.27 |
| Ubuntu:24.04:LTS | linux-gkeop |
< 6.8.0-1010.12 |
6.8.0-1010.12 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 |
< 6.11.0-21.21~24.04.1 |
6.11.0-21.21~24.04.1 |
| Ubuntu:24.04:LTS | linux-ibm |
< 6.8.0-1024.24 |
6.8.0-1024.24 |
| Ubuntu:24.04:LTS | linux-lowlatency |
< 6.8.0-58.60.1 |
6.8.0-58.60.1 |
| Ubuntu:24.04:LTS | linux-nvidia |
< 6.8.0-1026.29 |
6.8.0-1026.29 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 |
< 6.11.0-1007.7 |
6.11.0-1007.7 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency |
< 6.8.0-1026.29.1 |
6.8.0-1026.29.1 |
| Ubuntu:24.04:LTS | linux-nvidia-tegra |
< 6.8.0-1008.8 |
6.8.0-1008.8 |
| Ubuntu:24.04:LTS | linux-oem-6.11 |
< 6.11.0-1017.17 |
6.11.0-1017.17 |
| Ubuntu:24.04:LTS | linux-oem-6.8 |
< 6.8.0-1026.26 |
6.8.0-1026.26 |
| Ubuntu:24.04:LTS | linux-oracle |
< 6.8.0-1024.25 |
6.8.0-1024.25 |
| Ubuntu:24.04:LTS | linux-raspi |
< 6.8.0-1028.32 |
6.8.0-1028.32 |
| Ubuntu:24.04:LTS | linux-raspi-realtime |
All versions |
— |
| Ubuntu:24.04:LTS | linux-realtime |
All versions |
— |
| Ubuntu:24.04:LTS | linux-riscv |
< 6.8.0-58.60.1 |
6.8.0-58.60.1 |
| Ubuntu:24.04:LTS | linux-xilinx |
< 6.8.0-1017.18 |
6.8.0-1017.18 |
| Ubuntu:Pro:FIPS-updates:24.04:LTS | linux-fips |
< 6.8.0-78.78+fips1 |
6.8.0-78.78+fips1 |
| Ubuntu:Pro:Realtime:24.04:LTS | linux-raspi-realtime |
< 6.8.0-2023.24 |
6.8.0-2023.24 |
| Ubuntu:Pro:Realtime:24.04:LTS | linux-realtime |
< 6.8.1-1020.21 |
6.8.1-1020.21 |
| Ubuntu:26.04 | linux-nvidia |
All versions |
— |
| Ubuntu:Nvidia-BlueField:24.04:LTS | linux-bluefield |
All versions |
— |
| Ubuntu:Pro:FIPS-updates:16.04:LTS | linux-fips |
All versions |
— |
| Ubuntu:Pro:20.04:LTS | linux-azure-fde-5.15 |
All versions |
— |
Original description The description as published by the source.
In the Linux kernel, the following vulnerability has been resolved: net: Fix icmp host relookup triggering ip_rt_bug arp link failure may trigger ip_rt_bug while xfrm enabled, call trace is: WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 ip_rt_bug+0x14/0x20 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-rc6-00077-g2e1b3cc9d7f7 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:ip_rt_bug+0x14/0x20 Call Trace: ip_send_skb+0x14/0x40 __icmp_send+0x42d/0x6a0 ipv4_link_failure+0xe2/0x1d0 arp_error_report+0x3c/0x50 neigh_invalidate+0x8d/0x100 neigh_timer_handler+0x2e1/0x330 call_timer_fn+0x21/0x120 __run_timer_base.part.0+0x1c9/0x270 run_timer_softirq+0x4c/0x80 handle_softirqs+0xac/0x280 irq_exit_rcu+0x62/0x80 sysvec_apic_timer_interrupt+0x77/0x90 The script below reproduces this scenario: ip xfrm policy add src 0.0.0.0/0 dst 0.0.0.0/0 \ dir out priority 0 ptype main flag localok icmp ip l a veth1 type veth ip a a 192.168.141.111/24 dev veth0 ip l s veth0 up ping 192.168.141.155 -c 1 icmp_route_lookup() create input routes for locally generated packets while xfrm relookup ICMP traffic.Then it will set input route (dst->out = ip_rt_bug) to skb for DESTUNREACH. For ICMP err triggered by locally generated packets, dst->dev of output route is loopback. Generally, xfrm relookup verification is not required on loopback interfaces (net.ipv4.conf.lo.disable_xfrm = 1). Skip…
Source: OSV.dev (Open Source Vulnerabilities) OSV
References
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- report ubuntu.com
- report cve.org
- report git.kernel.org
- report git.kernel.org
- report git.kernel.org