
CVE catalog
CVE-2022-49220
linux affected and fixed versions
In the Linux kernel, the following vulnerability has been resolved: dax: make sure inodes are flushed before destroy cache A bug can be triggered by following command $ modprobe nd_pmem && modprobe -r nd_pmem [ 10.060014] BUG dax_cache (Not tainted): Objects remaining in dax_cache on __kmem_cache_shutdown() [ 10.060938] Slab 0x0000000085b729ac objects=9 used=1 fp=0x000000004f5ae469 flags=0x200000000010200(slab|head|node) [ 10.062433] Call Trace: [ 10.062673] dump_stack_lvl+0x34/0x44 [ 10.062865] slab_err+0x90/0xd0 [ 10.063619] __kmem_cache_shutdown+0x13b/0x2f0 [ 10.063848] kmem_cache_destroy+0x4a/0x110 [ 10.064058] __x64_sys_delete_module+0x265/0x300 This is caused by dax_fs_exit() not flushing inodes before destroy cache. To fix this issue, call rcu_barrier() before destroy cache.
- 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
- 0.27% · Oct 27, 2026
Projects and upstream resources
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
Version impact has not been established. The original provider fields are retained below.
Provider details and historical evidence
Original provider fields
{
"package_releases": [
{
"name": "linux",
"status": "fixed",
"release": "sid",
"version": "7.2.13-1"
},
{
"name": "linux",
"status": "fixed",
"release": "forky",
"version": "7.2.12-1"
},
{
"name": "linux",
"status": "fixed",
"release": "trixie",
"version": "6.12.107-1"
},
{
"name": "linux",
"status": "fixed",
"release": "trixie-security",
"version": "6.12.113-1"
},
{
"name": "linux",
"status": "fixed",
"release": "bookworm",
"version": "6.1.176-1"
},
{
"name": "linux",
"status": "fixed",
"release": "bookworm-security",
"version": "6.1.190-1"
}
],
"fixed_versions": [
{
"bug": null,
"name": "linux",
"type": "source",
"origin": null,
"release": "sid",
"urgency": "not yet assigned",
"fixed_version": "5.17.3-1"
},
{
"bug": null,
"name": "linux",
"type": "source",
"origin": null,
"release": "forky",
"urgency": "not yet assigned",
"fixed_version": "5.17.3-1"
},
{
"bug": null,
"name": "linux",
"type": "source",
"origin": null,
"release": "trixie",
"urgency": "not yet assigned",
"fixed_version": "5.17.3-1"
},
{
"bug": null,
"name": "linux",
"type": "source",
"origin": null,
"release": "bookworm",
"urgency": "not yet assigned",
"fixed_version": "5.17.3-1"
}
],
"distribution_packages": []
}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:
5.17.3-1dsa · linux · debian · bookworm
7.1.0+6.1.176-1· arm64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
7.5.0+6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
7.5.0+6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
7.1.0+6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
7.1.0+6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [hyperv-daemons]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [intel-sdsi]Unknown
Source package: [linux]
Details (1)
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [libcpupower1]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [libcpupower-dev]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-bpf-dev]Unknown
Source package: [linux]
Details (2)
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-compiler-gcc-12-x86]Unknown
Source package: [linux]
Details (2)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-config-6.1]Unknown
Source package: [linux]
Details (4)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-cpupower]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-doc]Unknown
Source package: [linux]
Details (32)
6.1.170-3· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.43-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.43-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.57-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.57-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.63-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.63-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.69-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.69-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.73-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.73-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.74-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.74-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.85-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.85-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.86-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.86-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.88-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.88-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.90-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.90-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.90-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.90-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.94-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.94-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-doc-6.1]Unknown
Source package: [linux]
Details (6)
6.1.170-3· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-amd64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· amd64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-arm64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· arm64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-cloud-amd64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· amd64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-cloud-arm64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· arm64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-common]Unknown
Source package: [linux]
Details (2)
6.1.170-3· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-common-rt]Unknown
Source package: [linux]
Details (2)
6.1.170-3· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-rt-amd64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· amd64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-rt-arm64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· arm64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-50-amd64]Unknown
Source package: [linux]
Details (1)
6.1.176-1· amd64 · bookwormFixed · Fixed:
5.17.3-1dsa · linux · debian · bookworm
Observed:
References
- [https://access.redhat.com/errata/RHSA-2023:6583]
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_1293-1.json]
- [https://security-tracker.debian.org/tracker/CVE-2022-49220]
[Debian Security Tracker] · [FIRST EPSS] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]