NULL pointer dereference in Linux Kernel
CVE-2023-0458
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
EPSS: 0.007 (50.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Linux Kernel — versions 0
- Linux Linux_kernel — versions 6.2
- Debian Debian_linux — versions 10.0
Weakness classification (CWE)
References
- cve-coordination@google.com (Patch)
- cve-coordination@google.com (Patch)
- cve-coordination@google.com (Mailing List, Third Party Advisory)
- cve-coordination@google.com (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-0458?
- CVE-2023-0458 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2023-04-26.
- How severe is CVE-2023-0458?
- Medium severity. CVSS v3 base score is 5.3 out of 10.