Vulnerability Description
A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable and can be used to leak the contents. We recommend upgrading past version 6.1.8 or commit 739790605705ddcf18f21782b9c99ad7d53a8c11
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 6.1.8 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/kernel/sysPatch
- https://github.com/torvalds/linux/commit/739790605705ddcf18f21782b9c99ad7d53a8c1Patch
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.htmlMailing ListThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/kernel/sysPatch
- https://github.com/torvalds/linux/commit/739790605705ddcf18f21782b9c99ad7d53a8c1Patch
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2023-0458?
CVE-2023-0458 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A speculative pointer dereference problem exists in the Linux Kernel on the do_prlimit() function. The resource argument value is controlled and is used in pointer arithmetic for the 'rlim' variable a...
How severe is CVE-2023-0458?
CVE-2023-0458 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-0458?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.