CVE-2022-48670
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-48670
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48670.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-48670
- Downstream
- Published
- 2024-05-03T14:49:54Z
- Modified
- 2025-10-21T07:48:25.987834Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- peci: cpu: Fix use-after-free in adev_release()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
peci: cpu: Fix use-after-free in adev_release()
When auxiliarydeviceadd() returns an error, auxiliarydeviceuninit() is called, which causes refcount for device to be decremented and .release callback will be triggered.
Because adevrelease() re-calls auxiliarydeviceuninit(), it will cause use-after-free: [ 1269.455172] WARNING: CPU: 0 PID: 14267 at lib/refcount.c:28 refcountwarnsaturate+0x110/0x15 [ 1269.464007] refcountt: underflow; use-after-free.
- 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
-
Introduced6523d3b2ffa238ac033c34a726617061d6a744aaFixedc87f1f99e26ea4ae08cabe753ae98e5626bdba89
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced6523d3b2ffa238ac033c34a726617061d6a744aaFixed1c11289b34ab67ed080bbe0f1855c4938362d9cf
Affected versions
v5.*
v5.17
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
v5.19.1
v5.19.2
v5.19.3
v5.19.4
v5.19.5
v5.19.6
v5.19.7
v5.19.8
v5.19.9
v6.*
v6.0-rc1
Database specific
vanir_signatures
[
{
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"signature_version": "v1",
"digest": {
"threshold": 0.9,
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]
},
"target": {
"file": "drivers/peci/cpu.c"
},
"id": "CVE-2022-48670-2d350874",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c87f1f99e26ea4ae08cabe753ae98e5626bdba89",
"signature_type": "Line"
},
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"function_hash": "1102493259372039685231241929194861625",
"length": 143.0
},
"target": {
"function": "adev_release",
"file": "drivers/peci/cpu.c"
},
"id": "CVE-2022-48670-5ca632c1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c87f1f99e26ea4ae08cabe753ae98e5626bdba89",
"signature_type": "Function"
},
{
"deprecated": false,
"signature_version": "v1",
"digest": {
"function_hash": "135383396929270487917349302842651548806",
"length": 84.0
},
"target": {
"function": "unregister_adev",
"file": "drivers/peci/cpu.c"
},
"id": "CVE-2022-48670-7e5dc146",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1c11289b34ab67ed080bbe0f1855c4938362d9cf",
"signature_type": "Function"
},
{
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"signature_version": "v1",
"digest": {
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},
"target": {
"file": "drivers/peci/cpu.c"
},
"id": "CVE-2022-48670-9a56b02a",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1c11289b34ab67ed080bbe0f1855c4938362d9cf",
"signature_type": "Line"
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{
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},
"target": {
"function": "adev_release",
"file": "drivers/peci/cpu.c"
},
"id": "CVE-2022-48670-a6b0a31f",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1c11289b34ab67ed080bbe0f1855c4938362d9cf",
"signature_type": "Function"
},
{
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},
"target": {
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"file": "drivers/peci/cpu.c"
},
"id": "CVE-2022-48670-fd6ed159",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c87f1f99e26ea4ae08cabe753ae98e5626bdba89",
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]