4.7

CVE-2023-0458

Spectre V1 Gadget in do_prlimit in the Linux Kernel

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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.1.8
Linux ≫ Linux Kernel Version 6.2 Update rc1
Linux ≫ Linux Kernel Version 6.2 Update rc2
Linux ≫ Linux Kernel Version 6.2 Update rc3
Linux ≫ Linux Kernel Version 6.2 Update rc4
Debian ≫ Debian Linux Version 10.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.72% 0.49
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
cve-coordination@google.com 5.3 1.6 3.6
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
Third Party Advisory
Mailing List
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/kernel/sys.c?id=v6.1.8&id2=v6.1.7
Patch
https://github.com/torvalds/linux/commit/739790605705ddcf18f21782b9c99ad7d53a8c11
Patch