7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.3 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
33.4%
Linux kernel is vulnerable to Privilege Escalation. The vulnerability exists in the ALSA PCM
package because of the missing locks in the SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32
, which leads to use-after-free, resulting in gaining access to ring0
from the system user
git://git.launchpad.net/ubuntu-cve-tracker/tree/active/CVE-2023-0266
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
github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e
github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1
lists.debian.org/debian-lts-announce/2023/05/msg00006.html
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.3 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
33.4%