5.5

CVE-2024-40931

mptcp: ensure snd_una is properly initialized on connect

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

mptcp: ensure snd_una is properly initialized on connect

This is strictly related to commit fb7a0d334894 ("mptcp: ensure snd_nxt
is properly initialized on connect"). It turns out that syzkaller can
trigger the retransmit after fallback and before processing any other
incoming packet - so that snd_una is still left uninitialized.

Address the issue explicitly initializing snd_una together with snd_nxt
and write_seq.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.9 < 5.10.221
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.162
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.95
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.35
Linux ≫ Linux Kernel Version >= 6.7 < 6.9.6
Linux ≫ Linux Kernel Version6.10 Updaterc1
Linux ≫ Linux Kernel Version6.10 Updaterc2
Linux ≫ Linux Kernel Version6.10 Updaterc3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.164
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
CWE-908 Use of Uninitialized Resource

The product uses or accesses a resource that has not been initialized.

https://git.kernel.org/stable/c/208cd22ef5e57f82d38ec11c1a1703f9401d6dde
Patch
https://git.kernel.org/stable/c/7b9c7fc8600b64a86e4b47b2d190bba380267726
Patch
https://git.kernel.org/stable/c/8031b58c3a9b1db3ef68b3bd749fbee2e1e1aaa3
Patch
https://git.kernel.org/stable/c/ef473bf1dd7e8dd08bcc04b9e2d1bfed69a0a7ce
Patch
https://git.kernel.org/stable/c/f03c46eabb3a67bd2993e237ab5517f00a5f1813
Patch
https://git.kernel.org/stable/c/f1f0a46f8bb8890b90ab7194f0a0c8fe2a3fb57f
Patch
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html