Vulnerability in Linux kernel (CVE-2022-49132)
Summary
Vulnerability in Linux kernel (CVE-2022-49132). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
In the Linux kernel, the following vulnerability has been resolved:
ath11k: pci: fix crash on suspend if board file is not found
Mario reported that the kernel was crashing on suspend if ath11k was not able
to find a board file:
[ 473.693286] PM: Suspending system (s2idle)
[ 473.693291] printk: Suspending console(s) (use no_console_suspend to debug)
[ 474.407787] BUG: unable to handle page fault for address: 0000000000002070
[ 474.407791] #PF: supervisor read access in kernel mode
[ 474.407794] #PF: error_code(0x0000) - not-present page
[ 474.407798] PGD 0 P4D 0
[ 474.407801] Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 474.407805] CPU: 2 PID: 2350 Comm: kworker/u32:14 Tainted: G W 5.16.0 #248
[...]
[ 474.407868] Call Trace:
[ 474.407870]
[ 474.407874] ? _raw_spin_lock_irqsave+0x2a/0x60
[ 474.407882] ? lock_timer_base+0x72/0xa0
[ 474.407889] ? _raw_spin_unlock_irqrestore+0x29/0x3d
[ 474.407892] ? try_to_del_timer_sync+0x54/0x80
[ 474.407896] ath11k_dp_rx_pktlog_stop+0x49/0xc0 [ath11k]
[ 474.407912] ath11k_core_suspend+0x34/0x130 [ath11k]
[ 474.407923] ath11k_pci_pm_suspend+0x1b/0x50 [ath11k_pci]
[ 474.407928] pci_pm_suspend+0x7e/0x170
[ 474.407935] ? pci_pm_freeze+0xc0/0xc0
[ 474.407939] dpm_run_callback+0x4e/0x150
[ 474.407947] __device_suspend+0x148/0x4c0
[ 474.407951] async_suspend+0x20/0x90
dmesg-efi-164255130401001:
Oops#1 Part1
[ 474.407955] async_run_entry_fn+0x33/0x120
[ 474.407959] process_one_work+0x220/0x3f0
[ 474.4…
Source: NIST National Vulnerability Database NVD
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-2022-49132 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-2022-49132" on the vendor's site.
CVE-2022-49132 (Linux kernel) — CWE-908 / 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 (CWE-908) 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
-
1Identify exposure identify
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。
-
2Post-deployment verification verify
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
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2022-49132 linux
- Ubuntu UBUNTU-CVE-2022-49132 linux
References
- advisory github.com
- advisory nvd.nist.gov
- package git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org