CVE-2023-52939
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-52939
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52939.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-52939
- Downstream
- Related
- Published
- 2025-03-27T16:37:18Z
- Modified
- 2025-10-15T04:39:10.081906Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- mm: memcg: fix NULL pointer in mem_cgroup_track_foreign_dirty_slowpath()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
mm: memcg: fix NULL pointer in memcgrouptrackforeigndirty_slowpath()
As commit 18365225f044 ("hwpoison, memcg: forcibly uncharge LRU pages"), hwpoison will forcibly uncharg a LRU hwpoisoned page, the foliomemcg could be NULl, then, memcgrouptrackforeigndirtyslowpath() could occurs a NULL pointer dereference, let's do not record the foreign writebacks for folio memcg is null in memcgrouptrackforeigndirty() to fix it.
- References
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced97b27821b4854ca744946dae32a3f2fd55bcd5bcFixedb79ba5953f6fdc5559389ad415620bffc24f024b
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced97b27821b4854ca744946dae32a3f2fd55bcd5bcFixedac86f547ca1002aec2ef66b9e64d03f45bbbfbb9
Affected versions
v5.*
v5.10
v5.10-rc1
v5.10-rc2
v5.10-rc3
v5.10-rc4
v5.10-rc5
v5.10-rc6
v5.10-rc7
v5.11
v5.11-rc1
v5.11-rc2
v5.11-rc3
v5.11-rc4
v5.11-rc5
v5.11-rc6
v5.11-rc7
v5.12
v5.12-rc1
v5.12-rc1-dontuse
v5.12-rc2
v5.12-rc3
v5.12-rc4
v5.12-rc5
v5.12-rc6
v5.12-rc7
v5.12-rc8
v5.13
v5.13-rc1
v5.13-rc2
v5.13-rc3
v5.13-rc4
v5.13-rc5
v5.13-rc6
v5.13-rc7
v5.14
v5.14-rc1
v5.14-rc2
v5.14-rc3
v5.14-rc4
v5.14-rc5
v5.14-rc6
v5.14-rc7
v5.15
v5.15-rc1
v5.15-rc2
v5.15-rc3
v5.15-rc4
v5.15-rc5
v5.15-rc6
v5.15-rc7
v5.16
v5.16-rc1
v5.16-rc2
v5.16-rc3
v5.16-rc4
v5.16-rc5
v5.16-rc6
v5.16-rc7
v5.16-rc8
v5.17
v5.17-rc1
v5.17-rc2
v5.17-rc3
v5.17-rc4
v5.17-rc5
v5.17-rc6
v5.17-rc7
v5.17-rc8
v5.18
v5.18-rc1
v5.18-rc2
v5.18-rc3
v5.18-rc4
v5.18-rc5
v5.18-rc6
v5.18-rc7
v5.19
v5.19-rc1
v5.19-rc2
v5.19-rc3
v5.19-rc4
v5.19-rc5
v5.19-rc6
v5.19-rc7
v5.19-rc8
v5.3
v5.3-rc4
v5.3-rc5
v5.3-rc6
v5.3-rc7
v5.3-rc8
v5.4
v5.4-rc1
v5.4-rc2
v5.4-rc3
v5.4-rc4
v5.4-rc5
v5.4-rc6
v5.4-rc7
v5.4-rc8
v5.5
v5.5-rc1
v5.5-rc2
v5.5-rc3
v5.5-rc4
v5.5-rc5
v5.5-rc6
v5.5-rc7
v5.6
v5.6-rc1
v5.6-rc2
v5.6-rc3
v5.6-rc4
v5.6-rc5
v5.6-rc6
v5.6-rc7
v5.7
v5.7-rc1
v5.7-rc2
v5.7-rc3
v5.7-rc4
v5.7-rc5
v5.7-rc6
v5.7-rc7
v5.8
v5.8-rc1
v5.8-rc2
v5.8-rc3
v5.8-rc4
v5.8-rc5
v5.8-rc6
v5.8-rc7
v5.9
v5.9-rc1
v5.9-rc2
v5.9-rc3
v5.9-rc4
v5.9-rc5
v5.9-rc6
v5.9-rc7
v5.9-rc8
v6.*
v6.0
v6.0-rc1
v6.0-rc2
v6.0-rc3
v6.0-rc4
v6.0-rc5
v6.0-rc6
v6.0-rc7
v6.1
v6.1-rc1
v6.1-rc2
v6.1-rc3
v6.1-rc4
v6.1-rc5
v6.1-rc6
v6.1-rc7
v6.1-rc8
v6.1.1
v6.1.10
v6.1.2
v6.1.3
v6.1.4
v6.1.5
v6.1.6
v6.1.7
v6.1.8
v6.1.9
v6.2-rc1
v6.2-rc2
v6.2-rc3
v6.2-rc4
Database specific
{
"vanir_signatures": [
{
"id": "CVE-2023-52939-03ddd755",
"signature_type": "Line",
"target": {
"file": "include/linux/memcontrol.h"
},
"deprecated": false,
"digest": {
"line_hashes": [
"300394261157996467525733584220561185595",
"118866079671317567635111895699253762909",
"15327853071378377795231784469838533723",
"109960422713247481038800930875731331006",
"115128572421281500259202489907028728515",
"201873156707754112668084320176493256054",
"203661336135103990660693348220089746111"
],
"threshold": 0.9
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@ac86f547ca1002aec2ef66b9e64d03f45bbbfbb9"
},
{
"id": "CVE-2023-52939-7e0a02bb",
"signature_type": "Function",
"target": {
"file": "include/linux/memcontrol.h",
"function": "mem_cgroup_track_foreign_dirty"
},
"deprecated": false,
"digest": {
"length": 194.0,
"function_hash": "149287717843805627845241527918475198024"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b79ba5953f6fdc5559389ad415620bffc24f024b"
},
{
"id": "CVE-2023-52939-c19e60dc",
"signature_type": "Function",
"target": {
"file": "include/linux/memcontrol.h",
"function": "mem_cgroup_track_foreign_dirty"
},
"deprecated": false,
"digest": {
"length": 194.0,
"function_hash": "149287717843805627845241527918475198024"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@ac86f547ca1002aec2ef66b9e64d03f45bbbfbb9"
},
{
"id": "CVE-2023-52939-da749dfe",
"signature_type": "Line",
"target": {
"file": "include/linux/memcontrol.h"
},
"deprecated": false,
"digest": {
"line_hashes": [
"300394261157996467525733584220561185595",
"118866079671317567635111895699253762909",
"15327853071378377795231784469838533723",
"109960422713247481038800930875731331006",
"115128572421281500259202489907028728515",
"201873156707754112668084320176493256054",
"203661336135103990660693348220089746111"
],
"threshold": 0.9
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b79ba5953f6fdc5559389ad415620bffc24f024b"
}
]
}