CVE-2023-0266
- Source
- https://cve.org/CVERecord?id=CVE-2023-0266
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0266.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-0266
- Aliases
-
- A-265303544
- PUB-A-265303544
- Downstream
- Related
- Published
- 2023-01-30T14:15:10.500Z
- Modified
- 2026-03-15T22:46:20.269797Z
- Severity
-
- 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRVCTLIOCTLELEM{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e
- References
-
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-0266
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4
- https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e
- https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1
Affected packages
Git /
Database specific
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0266.json"
unresolved_ranges
[
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "10.0"
}
]
},
{
"events": [
{
"introduced": "4.14"
},
{
"fixed": "4.14.303"
}
]
},
{
"events": [
{
"introduced": "4.15"
},
{
"fixed": "4.19.270"
}
]
},
{
"events": [
{
"introduced": "4.20"
},
{
"fixed": "5.4.229"
}
]
},
{
"events": [
{
"introduced": "5.5"
},
{
"fixed": "5.10.163"
}
]
},
{
"events": [
{
"introduced": "5.11"
},
{
"fixed": "5.15.88"
}
]
},
{
"events": [
{
"introduced": "5.16"
},
{
"fixed": "6.1.6"
}
]
}
]