Vulnerability in Linux kernel
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 CVE-2022-49069 has been found in Linux kernel.
Risk of unauthorized operations or information disclosure. CVSS score: 5.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Linux kernel CVE-2022-49069" on the vendor's site.
CVE-2022-49069 (Linux kernel) — CVSS v3 5.5
Attack vector: local / no user interaction
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 kernel.
Check the vendor advisory for the affected versions of Linux kernel.
Severity: Medium (CVSS 5.5/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
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. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1
Identify exposureidentify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Linux kernel を使っているサービスとバージョンを洗い出す。
-
2
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 |
|---|---|---|---|
| Linux | Kernel |
< 5.16.20 ≥ 5.17.0, < 5.17.3 |
5.16.20 5.17.3 |
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2022-49069 linux
- Ubuntu UBUNTU-CVE-2022-49069 linux
Original description The description as published by the source.
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Fix by adding FPU protection for dcn30_internal_validate_bw
[Why]
Below general protection fault observed when WebGL Aquarium is run for
longer duration. If drm debug logs are enabled and set to 0x1f then the
issue is observed within 10 minutes of run.
[ 100.717056] general protection fault, probably for non-canonical address 0x2d33302d32323032: 0000 [#1] PREEMPT SMP NOPTI
[ 100.727921] CPU: 3 PID: 1906 Comm: DrmThread Tainted: G W 5.15.30 #12 d726c6a2d6ebe5cf9223931cbca6892f916fe18b
[ 100.754419] RIP: 0010:CalculateSwathWidth+0x1f7/0x44f
[ 100.767109] Code: 00 00 00 f2 42 0f 11 04 f0 48 8b 85 88 00 00 00 f2 42 0f 10 04 f0 48 8b 85 98 00 00 00 f2 42 0f 11 04 f0 48 8b 45 10 0f 57 c0 42 0f 2a 04 b0 0f 57 c9 f3 43 0f 2a 0c b4 e8 8c e2 f3 ff 48 8b
[ 100.781269] RSP: 0018:ffffa9230079eeb0 EFLAGS: 00010246
[ 100.812528] RAX: 2d33302d32323032 RBX: 0000000000000500 RCX: 0000000000000000
[ 100.819656] RDX: 0000000000000001 RSI: ffff99deb712c49c RDI: 0000000000000000
[ 100.826781] RBP: ffffa9230079ef50 R08: ffff99deb712460c R09: ffff99deb712462c
[ 100.833907] R10: ffff99deb7124940 R11: ffff99deb7124d70 R12: ffff99deb712ae44
[ 100.841033] R13: 0000000000000001 R14: 0000000000000000 R15: ffffa9230079f0a0
[ 100.848159] FS: 00007af121212640(0000) GS:ffff99deba780000(0000) knlGS:0000000000000000
[ 100.856240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 100.861980] CR…
Source: NIST National Vulnerability Database NVD
References
- advisory github.com
- advisory nvd.nist.gov
- package git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org