CVE-2026-98081 Affecting bpftool6.12-debuginfo package, versions <1:6.12.111-136.204.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-BPFTOOL612DEBUGINFO-20862280
- published13 Oct 2026
- disclosed25 Sept 2026
Introduced: 25 Sep 2026
NewCVE-2026-98081 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2023 bpftool6.12-debuginfo to version 1:6.12.111-136.204.amzn2023 or higher.
This issue was patched in ALAS2023-2026-3193.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bpftool6.12-debuginfo package and not the bpftool6.12-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:
btrfs: zoned: finish active block group cleanup if call_zone_finish() fails
do_zone_finish() clears BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE before finishing the zones. If call_zone_finish() then fails it returned early, leaving the now inactive block group on fs_info->zone_active_bgs, leaking its reference, the BTRFS_FS_NEED_ZONE_FINISH waiters are never woken, and as its alloc_offset equals the zone capacity btrfs_zone_finish_one_bg() keeps selecting it, spinning btrfs_zoned_activate_one_bg().
Fall through to the cleanup on failure too and return the error, but keep the block group read-only as its zones are left inconsistent.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-98081
- https://git.kernel.org/stable/c/36b9cdab44848f25879ca625275c92b007f84653
- https://git.kernel.org/stable/c/40370f02a1ca3760f8925ffcbe76eb4d91ea758d
- https://git.kernel.org/stable/c/a18a6b93a2843b9d103d3456bbd4b3f90282a379
- https://git.kernel.org/stable/c/e1b168a53174b385e3548bfbd079513b22ac240c