Vulnerability Description
A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread. We recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 10.0 |
| Linux | Linux Kernel | < 4.14.332 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=e2bMailing ListPatch
- https://kernel.dance/e2b706c691905fe78468c361aaabc719d0a496f1Patch
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.htmlMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=e2bMailing ListPatch
- https://kernel.dance/e2b706c691905fe78468c361aaabc719d0a496f1Patch
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.htmlMailing ListThird Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
FAQ
What is CVE-2023-6932?
CVE-2023-6932 is a vulnerability with a CVSS score of 7.8 (HIGH). A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation. A race condition can be exploited to cause a timer be mistakenly regi...
How severe is CVE-2023-6932?
CVE-2023-6932 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-6932?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Linux Linux Kernel.