CVE-2023-32233
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
7.5 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%
In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.
Affected configurations
References
packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
www.openwall.com/lists/oss-security/2023/05/15/5
bugzilla.redhat.com/show_bug.cgi?id=2196105
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1592a89942e9678f7d9c8030efa777c0d57edab
github.com/torvalds/linux/commit/c1592a89942e9678f7d9c8030efa777c0d57edab
lists.debian.org/debian-lts-announce/2023/06/msg00008.html
lists.debian.org/debian-lts-announce/2023/07/msg00030.html
news.ycombinator.com/item?id=35879660
security.netapp.com/advisory/ntap-20230616-0002/
www.debian.org/security/2023/dsa-5402
www.openwall.com/lists/oss-security/2023/05/08/4
Related
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
7.5 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%