CVE-2026-80880 Affecting perf6.12-debuginfo package, versions <1:6.12.100-125.179.amzn2023
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-AMZN2023-PERF612DEBUGINFO-19811258
- published15 Sept 2026
- disclosed4 Sept 2026
Introduced: 4 Sep 2026
NewCVE-2026-80880 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2023 perf6.12-debuginfo to version 1:6.12.100-125.179.amzn2023 or higher.
This issue was patched in ALAS2023-2026-2057.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf6.12-debuginfo package and not the perf6.12-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
IB/mlx5: Properly support implicit ODP rereg_mr
Due to all the child mkeys in the implicit ODP configuration we cannot change anything in place for the parent mkey. Instead the whole thing needs to be rebuilt if any change is requested. If the user does not specify a translation then force the implicit values which will then fall through the logic into mlx5_ib_reg_user_mr() to allocate a completely new MR.
Since implicit children were also touching the mr->pd, this removes another case where the access was racy.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-80880
- https://git.kernel.org/stable/c/5d02b9a2efd11d28d2a8feac7769686b1b871d9c
- https://git.kernel.org/stable/c/94f7e50eb6b2ce7fbd9aeac1db22460d2013a3fb
- https://git.kernel.org/stable/c/cbc9982c8573fb9e35040063aa78c8ebe768a1ff
- https://git.kernel.org/stable/c/d4f84bfa089fe71f775d25beb29303e844494c25
- https://git.kernel.org/stable/c/eb7cb798e563b3f3b3baeb9cc6f7455764267e50
- https://git.kernel.org/stable/c/ee7a8335069150c3f1893a697ab30bbeca00d796
- https://git.kernel.org/stable/c/ee914ef54a7e707453ecb43eb30fb0a5c6dd0d69