CVE-2026-80949: linux
Vulnerability summary
CVE-2026-80949 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 6.8% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 11-09-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix memory leak in brcmf_sdio_read_control() The memory allocated for buf is not freed in some of the error paths in brcmf_sdio_read_control(). Fix that by adding vfree() calls. [arend: rework as suggested by Johannes]
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
7%
Versus all other CVEs
30-day change
0.00 pp
From 0.18% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu169 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
- linuxAll versions (No fix recorded) | < 6.1.190-1 | < 6.12.111-1 | < 7.2.6-1
- linux-6.12< 6.12.111-1~deb12u1
Linux1 product
- linux≥ dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969, < b1d0a90a844abccdfed9fe141b5d0d654a821485 | ≥ dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969, < 86b57fa3172e287bc083113507a965e6d9a46a45 | ≥ dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969, < a732c4f36a4cd79f3702391f88ebb56f2e43b0ee | ≥ dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969, < 7704f6ba2a8c492b07a3eaa1e311b4b30d389246 | ≥ dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969, < fdb880a7d575efe8b5c7b5b819b96d9251a3937f | ≥ dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969, < 261d7c7610b4b2f476382c88a2d1ae0cc5e07add | ≥ dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969, < ba04715ee672c336272be3ceb43bda9ffc33eb75 | ≥ dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969, < 0d10db8e94fcb23a799789aaa696b4d8f937e207 | 3.8
3 vendors · 172 products