
CVE catalog
CVE-2022-49311
linux: CVE-2022-49311
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.20% · Oct 25, 2026
In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192bs: Fix deadlock in rtw_joinbss_event_prehandle() There is a deadlock in rtw_joinbss_event_prehandle(), which is shown below: (Thread 1) | (Thread 2) | _set_timer() rtw_joinbss_event_prehandle()| mod_timer() spin_lock_bh() //(1) | (wait a time) ... | _rtw_join_timeout_handler() del_timer_sync() | spin_lock_bh() //(2) (wait timer to stop) | ... We hold pmlmepriv->lock in position (1) of thread 1 and use del_timer_sync() to wait timer to stop, but timer handler also need pmlmepriv->lock in position (2) of thread 2. As a result, rtw_joinbss_event_prehandle() will block forever. This patch extracts del_timer_sync() from the protection of spin_lock_bh(), which could let timer handler to obtain the needed lock. What`s more, we change spin_lock_bh() to spin_lock_irq() in _rtw_join_timeout_handler() in order to prevent deadlock.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | linux | sid | 7.2.12-1 | fixed |
| Debian | linux | forky | 7.2.12-1 | fixed |
| Debian | linux | trixie | 6.12.107-1 | fixed |
| Debian | linux | trixie-security | 6.12.113-1 | fixed |
| Debian | linux | bookworm | 6.1.176-1 | fixed |
| Debian | linux | bookworm-security | 6.1.190-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | linux | source | sid | 5.18.5-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | forky | 5.18.5-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | trixie | 5.18.5-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | bookworm | 5.18.5-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [bpftool]Unknown
Source package: [linux]
Details (6)
7.1.0+6.1.176-1· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
7.1.0+6.1.176-1· arm64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
7.5.0+6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
7.5.0+6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
7.1.0+6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
7.1.0+6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [hyperv-daemons]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [intel-sdsi]Unknown
Source package: [linux]
Details (1)
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [libcpupower1]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [libcpupower-dev]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-bpf-dev]Unknown
Source package: [linux]
Details (2)
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-compiler-gcc-12-x86]Unknown
Source package: [linux]
Details (2)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-config-6.1]Unknown
Source package: [linux]
Details (4)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-cpupower]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-doc]Unknown
Source package: [linux]
Details (32)
6.1.170-3· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.43-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.43-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.57-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.57-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.63-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.63-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.69-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.69-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.73-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.73-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.74-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.74-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.85-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.85-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.86-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.86-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.88-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.88-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.90-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.90-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.90-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.90-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.94-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.94-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-doc-6.1]Unknown
Source package: [linux]
Details (6)
6.1.170-3· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-amd64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-arm64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· arm64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-cloud-amd64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-cloud-arm64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· arm64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-common]Unknown
Source package: [linux]
Details (2)
6.1.170-3· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-common-rt]Unknown
Source package: [linux]
Details (2)
6.1.170-3· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-rt-amd64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-rt-arm64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· arm64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-50-amd64]Unknown
Source package: [linux]
Details (1)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.18.5-1dsa · linux · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_1176-1.json]
- [https://security-tracker.debian.org/tracker/CVE-2022-49311]
- [https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49311.json]
[Debian Security Tracker] · [FIRST EPSS] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]