CVE-2022-49795
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-49795
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49795.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-49795
- Downstream
- Related
- Published
- 2025-05-01T14:09:25Z
- Modified
- 2025-10-21T11:01:03.546890Z
- Summary
- rethook: fix a potential memleak in rethook_alloc()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
rethook: fix a potential memleak in rethook_alloc()
In rethook_alloc(), the variable rh is not freed or passed out if handler is NULL, which could lead to a memleak, fix it.
[Masami: Add "rethook:" tag to the title.]
Acke-by: Masami Hiramatsu (Google) mhiramat@kernel.org
- 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
-
Introduced54ecbe6f1ed5138c895bdff55608cf502755b20eFixedcbc5d1f9a8cc40ba2bc6779b36d2ea1f65bc027c
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced54ecbe6f1ed5138c895bdff55608cf502755b20eFixed0a1ebe35cb3b7aa1f4b26b37e2a0b9ae68dc4ffb
Affected versions
v5.*
v5.17
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
v6.*
v6.0
v6.0-rc1
v6.0-rc2
v6.0-rc3
v6.0-rc4
v6.0-rc5
v6.0-rc6
v6.0-rc7
v6.0.1
v6.0.2
v6.0.3
v6.0.4
v6.0.5
v6.0.6
v6.0.7
v6.0.8
v6.0.9
v6.1-rc1
v6.1-rc2
v6.1-rc3
v6.1-rc4
v6.1-rc5
Database specific
vanir_signatures
[
{
"digest": {
"threshold": 0.9,
"line_hashes": [
"133113755592327943490571929558298985006",
"110796949200809878580362978602928544948",
"13789727989915052857378104174678305863",
"48871716451397497349201162476290526022",
"131754974192915729654277818269463443123"
]
},
"target": {
"file": "kernel/trace/rethook.c"
},
"deprecated": false,
"id": "CVE-2022-49795-45b04112",
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@cbc5d1f9a8cc40ba2bc6779b36d2ea1f65bc027c",
"signature_type": "Line"
},
{
"digest": {
"function_hash": "217485805093707353256773826322469770099",
"length": 268.0
},
"target": {
"file": "kernel/trace/rethook.c",
"function": "rethook_alloc"
},
"deprecated": false,
"id": "CVE-2022-49795-65fd8932",
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0a1ebe35cb3b7aa1f4b26b37e2a0b9ae68dc4ffb",
"signature_type": "Function"
},
{
"digest": {
"function_hash": "217485805093707353256773826322469770099",
"length": 268.0
},
"target": {
"file": "kernel/trace/rethook.c",
"function": "rethook_alloc"
},
"deprecated": false,
"id": "CVE-2022-49795-6bd5ffa6",
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@cbc5d1f9a8cc40ba2bc6779b36d2ea1f65bc027c",
"signature_type": "Function"
},
{
"digest": {
"threshold": 0.9,
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]
},
"target": {
"file": "kernel/trace/rethook.c"
},
"deprecated": false,
"id": "CVE-2022-49795-6d3358f6",
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0a1ebe35cb3b7aa1f4b26b37e2a0b9ae68dc4ffb",
"signature_type": "Line"
}
]