CVE-2026-97522: linux

CVSS: UnknownReceived
AliasesUBUNTU-CVE-2026-97522DEBIAN-CVE-2026-97522
Published 25-09-2026Last modified 19-10-2026

Vulnerability summary

CVE-2026-97522 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.3% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.20%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 25-09-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

26-09-202621-10-2026
EPSS score
0.20%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu142 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.12.111-1 | < 7.2.7-1
  • linux-6.12< 6.12.111-1~deb12u1
Linux1 product
  • linux≥ 0fa1b3783a17d75a4aa1651a18ede041ffca5750, < ddbf9f03c1cc7d5b86eebe7c2beea0db4286d354 | ≥ 0fa1b3783a17d75a4aa1651a18ede041ffca5750, < 9781fa35d9f7a87a83115acd3a88bc9ce35b5407 | ≥ 0fa1b3783a17d75a4aa1651a18ede041ffca5750, < a0a64525f3414268ed4b1945a1dc690aa974dd4f | ≥ 0fa1b3783a17d75a4aa1651a18ede041ffca5750, < dc054821e639a2e14f1419436612db70b6af45fc | ≥ 0fa1b3783a17d75a4aa1651a18ede041ffca5750, < f3ef03357396d4b147d8e76c75fb612c2f264ffc | 6.6

3 vendors · 145 products

References

8 links