4.7

CVE-2022-49577

udp: Fix a data-race around sysctl_udp_l3mdev_accept.

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

udp: Fix a data-race around sysctl_udp_l3mdev_accept.

While reading sysctl_udp_l3mdev_accept, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.11 < 5.4.208
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.134
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.58
Linux ≫ Linux Kernel Version >= 5.16 < 5.18.15
Linux ≫ Linux Kernel Version 5.19 Update rc1
Linux ≫ Linux Kernel Version 5.19 Update rc2
Linux ≫ Linux Kernel Version 5.19 Update rc3
Linux ≫ Linux Kernel Version 5.19 Update rc4
Linux ≫ Linux Kernel Version 5.19 Update rc5
Linux ≫ Linux Kernel Version 5.19 Update rc6
Linux ≫ Linux Kernel Version 5.19 Update rc7
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.19% 0.084
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:N/I:N/A:H
CISA-ADP 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://git.kernel.org/stable/c/3d72bb4188c708bb16758c60822fc4dda7a95174
Patch
https://git.kernel.org/stable/c/3f2ac2d6511bb0652abf4d7388d65bb9ff1c641c
Patch
https://git.kernel.org/stable/c/cb0d28934ca10f99c47e2c6f451405d6c954fe48
Patch
https://git.kernel.org/stable/c/f39b03bd727a8fea62e82f10fe2e0d753b9930ff
Patch
https://git.kernel.org/stable/c/fcaef69c79ec222e55643e666b80b221e70fa6a8
Patch