5.5

CVE-2022-50391

mm/mempolicy: fix memory leak in set_mempolicy_home_node system call

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

mm/mempolicy: fix memory leak in set_mempolicy_home_node system call

When encountering any vma in the range with policy other than MPOL_BIND or
MPOL_PREFERRED_MANY, an error is returned without issuing a mpol_put on
the policy just allocated with mpol_dup().

This allows arbitrary users to leak kernel memory.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.17 < 6.0.17
Linux ≫ Linux Kernel Version >= 6.1 < 6.1.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.14% 0.039
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 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
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-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

https://git.kernel.org/stable/c/4ca0eb6b2f3add8c5daefb726ce57dc95d103d33
Patch
https://git.kernel.org/stable/c/0ce4cc6d269ddc448a825955b495f662f5d9e153
Patch
https://git.kernel.org/stable/c/38ce7c9bdfc228c14d7621ba36d3eebedd9d4f76
Patch