CVE-2024-40931
MPTCP Initialization Vulnerability
Description
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.
INFO
Published Date :
July 12, 2024, 1:15 p.m.
Last Modified :
March 6, 2025, 12:53 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-40931.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-40931 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-40931 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Mar. 06, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-908 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 from (excluding) 6.9.6 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 from (excluding) 6.6.35 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 6.1.95 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.9 from (excluding) 5.10.221 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 from (excluding) 5.15.162 Added Reference Type CVE: https://git.kernel.org/stable/c/208cd22ef5e57f82d38ec11c1a1703f9401d6dde Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/208cd22ef5e57f82d38ec11c1a1703f9401d6dde Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/7b9c7fc8600b64a86e4b47b2d190bba380267726 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7b9c7fc8600b64a86e4b47b2d190bba380267726 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/8031b58c3a9b1db3ef68b3bd749fbee2e1e1aaa3 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8031b58c3a9b1db3ef68b3bd749fbee2e1e1aaa3 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/ef473bf1dd7e8dd08bcc04b9e2d1bfed69a0a7ce Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/ef473bf1dd7e8dd08bcc04b9e2d1bfed69a0a7ce Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/f03c46eabb3a67bd2993e237ab5517f00a5f1813 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f03c46eabb3a67bd2993e237ab5517f00a5f1813 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/f1f0a46f8bb8890b90ab7194f0a0c8fe2a3fb57f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f1f0a46f8bb8890b90ab7194f0a0c8fe2a3fb57f Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/208cd22ef5e57f82d38ec11c1a1703f9401d6dde Added Reference https://git.kernel.org/stable/c/7b9c7fc8600b64a86e4b47b2d190bba380267726 Added Reference https://git.kernel.org/stable/c/8031b58c3a9b1db3ef68b3bd749fbee2e1e1aaa3 Added Reference https://git.kernel.org/stable/c/ef473bf1dd7e8dd08bcc04b9e2d1bfed69a0a7ce Added Reference https://git.kernel.org/stable/c/f03c46eabb3a67bd2993e237ab5517f00a5f1813 Added Reference https://git.kernel.org/stable/c/f1f0a46f8bb8890b90ab7194f0a0c8fe2a3fb57f -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 12, 2024
Action Type Old Value New Value Added Description 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. Added Reference kernel.org https://git.kernel.org/stable/c/208cd22ef5e57f82d38ec11c1a1703f9401d6dde [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/7b9c7fc8600b64a86e4b47b2d190bba380267726 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/f03c46eabb3a67bd2993e237ab5517f00a5f1813 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/f1f0a46f8bb8890b90ab7194f0a0c8fe2a3fb57f [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/ef473bf1dd7e8dd08bcc04b9e2d1bfed69a0a7ce [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/8031b58c3a9b1db3ef68b3bd749fbee2e1e1aaa3 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-40931 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-40931
weaknesses.