Description
atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).
References (6)
Core 6
Core References
Patch, Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a2965c7be0522eaa18808684b7b82b248515511b
Mailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2023/01/10/1
Mailing List, Third Party Advisory
https://www.openwall.com/lists/oss-security/2023/01/10/4
Third Party Advisory vendor-advisory
https://www.debian.org/security/2023/dsa-5324
Mailing List mailing-list
https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
Mailing List mailing-list
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
Scores
CVSS v3
5.5
EPSS
0.0003
EPSS Percentile
7.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-843
Status
published
Products (2)
debian/debian_linux
11.0
linux/linux_kernel
2.6.12 - 6.1.4
Published
Jan 12, 2023
Tracked Since
Feb 18, 2026