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CVE

CVE-2023-0266

A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a privi...
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CVE

CVE-2023-0266

A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a privi...

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

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.9
-
3.1
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?fieldcve=CVE-2023-0266, https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-sndctlelemread-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4, 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-sndctlelemread-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4, https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e, https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1, https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-sndctlelemread-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4, https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html

Severity

7

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7
EPSS Probability
0.00095%
EPSS Percentile
0.26623%
Introduced Version
0
Fix Available
becf9e5d553c2389d857a3c178ce80fdb34a02e1,0:1-6.el8,0:1-4.el8_7,0:1-2.el8_7,0:4.18.0-425.19.2.el8_7,0:4.18.0-425.19.2.rt7.230.el8_7,0:5.14.0-162.22.2.el9_1,0:1-2.el9_1,0:1-1.el9_1,0:1-3.el9_1,0:5.14.0-162.22.2.rt21.186.el9_1,6.1.7-1,5.10.162-1,0:4.15.0-208.220,0:5.4.0-144.161~18.04.1,0:4.15.0-1137.142,0:4.15.0-1153.166,0:5.4.0-1097.105~18.04.1,0:4.15.0-1162.177,0:5.4.0-1104.110~18.04.1,0:4.15.0-1062.67,0:4.15.0-1147.163,0:5.4.0-1101.110~18.04.1,0:5.4.0-1045.50~18.04.1,0:4.15.0-1116.127,0:5.4.0-1094.103~18.04.1,0:4.15.0-1129.137,0:5.4.0-1081.92~18.04.1,0:4.15.0-1148.158,0:5.4.0-144.161,0:5.15.0-69.76~20.04.1,0:5.4.0-1087.93,0:5.4.0-1097.105,0:5.15.0-1033.37~20.04.1,0:5.4.0-1104.110,0:5.15.0-1035.42~20.04.1,0:5.4.0-1059.65,0:5.4.0-1101.110,0:5.15.0-1031.38~20.04.1,0:5.4.0-1095.102,0:5.15.0-1029.34~20.04.1,0:5.4.0-1065.69,0:5.4.0-1045.50,0:5.15.0-1027.32~20.04.1,0:5.4.0-1094.103,0:5.15.0-1032.38~20.04.1,0:5.4.0-1081.92,0:5.4.0-1013.15,0:5.4.0-1022.26,0:5.15.0-1017.22~20.04.1,0:5.15.0-1014.14~20.04.1,0:5.15.0-69.76,0:5.15.0-1030.35,0:5.15.0-1033.37,0:5.15.0-1035.42,0:5.15.0-1035.42.1,0:5.15.0-1031.38,0:5.15.0-1017.22,0:5.15.0-1027.30,0:5.15.0-1027.32,0:5.15.0-1032.38,0:5.15.0-1026.28,0:6.1.0-1007.7,0:5.19.0-38.39~22.04.1,0:5.19.0-1021.22~22.04.1,0:5.19.0-1022.23~22.04.1,0:5.15.0-1023.23,0:5.15.0-1023.28,0:5.15.0-8.91.4.1.el9uek,0:5.4.17-2136.317.5.3.el7uek,0:5.4.17-2136.317.5.3.el8uek,0:5.15.0-8.91.4.1.el8uek

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