5.5

CVE-2023-52607

powerpc/mm: Fix null-pointer dereference in pgtable_cache_add

In the Linux kernel, the following vulnerability has been resolved:

powerpc/mm: Fix null-pointer dereference in pgtable_cache_add

kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 4.19.307
Linux ≫ Linux Kernel Version >= 4.20 <= 5.4.269
Linux ≫ Linux Kernel Version >= 5.5 <= 5.10.210
Linux ≫ Linux Kernel Version >= 5.11 <= 5.15.149
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.77
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.16
Linux ≫ Linux Kernel Version >= 6.7 < 6.7.4
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.23% 0.14
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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/2024/06/msg00017.html
Patch
https://git.kernel.org/stable/c/145febd85c3bcc5c74d87ef9a598fc7d9122d532
Patch
https://git.kernel.org/stable/c/21e45a7b08d7cd98d6a53c5fc5111879f2d96611
Patch
https://git.kernel.org/stable/c/aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b
Patch
https://git.kernel.org/stable/c/ac3ed969a40357b0542d20f096a6d43acdfa6cc7
Patch
https://git.kernel.org/stable/c/d482d61025e303a2bef3733a011b6b740215cfa1
Patch
https://git.kernel.org/stable/c/f46c8a75263f97bda13c739ba1c90aced0d3b071
Patch
https://git.kernel.org/stable/c/f6781add1c311c17eff43e14c786004bbacf901e
Patch
https://git.kernel.org/stable/c/ffd29dc45bc0355393859049f6becddc3ed08f74
Patch