4.7

CVE-2022-40307

An issue was discovered in the Linux kernel through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition with a resultant use-after-free.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version <= 5.19.8
Debian ≫ Debian Linux Version10.0
Debian ≫ Debian Linux Version10.0
Debian ≫ Debian Linux Version11.0
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.2% 0.097
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
Third Party Advisory
Mailing List
https://www.debian.org/security/2022/dsa-5257
Third Party Advisory
https://github.com/torvalds/linux/commit/9cb636b5f6a8cc6d1b50809ec8f8d33ae0c84c95
Patch
Third Party Advisory