vulnerability
Red Hat: CVE-2023-4128: kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Aug 10, 2023 | Oct 11, 2023 | Jan 28, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Aug 10, 2023
Added
Oct 11, 2023
Modified
Jan 28, 2025
Description
A use-after-free flaws was found in net/sched/cls_fw.c in classifiers (cls_fw, cls_u32, and cls_route) in the Linux Kernel. This flaw allows a local attacker to perform a local privilege escalation due to incorrect handling of the existing filter, leading to a kernel information leak issue. There are 3 CVEs for these flaws: CVE-2023-4206, CVE-2023-4207, CVE-2023-4208. The older one CVE-2023-4128 similar to these 3 (CVE-2023-4206, CVE-2023-4207, CVE-2023-4208) and the CVE-2023-4128 rejected as duplicate.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
References
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