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CVE-2026-97522

mptcp: fix bad accounting in __mptcp_subflow_push_pending()

N/A
Published: September 25, 2026 at 10:21 AM UTC
Updated: October 19, 2026 at 10:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix bad accounting in __mptcp_subflow_push_pending() If __subflow_push_pending() errors out we should avoid updating the copied byte counters, to avoid mismatch push call later on.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
0fa1b3783a17d75a4aa1651a18ede041ffca57506.6
Vendor states this is fixed in 9781fa35d9f7a87a83115acd3a88bc9ce35b5407 (fixed)
Vendor states this is fixed in a0a64525f3414268ed4b1945a1dc690aa974dd4f (fixed)
Vendor states this is fixed in dc054821e639a2e14f1419436612db70b6af45fc (fixed)
Vendor states this is fixed in ddbf9f03c1cc7d5b86eebe7c2beea0db4286d354 (fixed)
Vendor states this is fixed in f3ef03357396d4b147d8e76c75fb612c2f264ffc (fixed)
Vendor states this is fixed in 6.12.111 (unaffected)
Vendor states this is fixed in 6.18.53 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)
Vendor states this is fixed in 6.6.158 (unaffected)
Vendor states this is fixed in 7.2.7 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc4 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

Source: cverecord
https://git.kernel.org/stable/c/9781fa35d9f7a87a83115acd3a88bc9ce35b5407
Source: cverecord
https://git.kernel.org/stable/c/a0a64525f3414268ed4b1945a1dc690aa974dd4f
Source: cverecord
https://git.kernel.org/stable/c/dc054821e639a2e14f1419436612db70b6af45fc
Source: cverecord
https://git.kernel.org/stable/c/f3ef03357396d4b147d8e76c75fb612c2f264ffc
Source: cverecord
https://git.kernel.org/stable/c/ddbf9f03c1cc7d5b86eebe7c2beea0db4286d354

Quick Info

StatusRECEIVED

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