CVE-2026-68165 Affecting kernel-obs-qa package, versions <6.12.0-160000.38.1
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-SLES1600-KERNELOBSQA-20322536
- published30 Sept 2026
- disclosed22 Sept 2026
Introduced: 22 Sep 2026
NewCVE-2026-68165 (opens in a new tab)How to fix?
Upgrade SLES:16.0.0 kernel-obs-qa to version 6.12.0-160000.38.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-obs-qa package and not the kernel-obs-qa package as distributed by SLES.
See How to fix? for SLES:16.0.0 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/core: validate ranges in damon_set_regions()
DAMON core logic assumes zero length regions don't exist. However, a few DAMON API callers including DAMON_SYSFS, DAMON_RECLAIM and DAMON_LRU_SORT allow users to set empty monitoring target regions. This could result in WARN_ONCE() on CONFIG_DAMON_DEBUG_SANITY enabled kernel, and divide-by-zero from damon_merge_two_regions().
For example, the WANR_ONCE() can be triggered like below.
# grep DAMON_DEBUG_SANITY /boot/config-$(uname -r)
# CONFIG_DAMON_DEBUG_SANITY=y
# damo start
# cd /sys/kernel/mm/damon/admin/kdamonds/0
# echo 0 > contexts/0/targets/0/regions/0/start
# echo 0 > contexts/0/targets/0/regions/0/end
# echo commit > state
# dmesg
[....]
[ 73.705780] ------------[ cut here ]------------
[ 73.707552] start 0 >= end 0
[ 73.708452] WARNING: mm/damon/core.c:359 at damon_new_region+0x6e/0x80, CPU#1: kdamond.0/758
[...]
All DAMON API callers eventually use damon_set_regions() to setup the regions. Add the validation logic in the function.
References
- https://www.suse.com/security/cve/CVE-2026-68165.html
- https://bugzilla.suse.com/1274927
- https://git.kernel.org/stable/c/1292c0ecb1caefb8ca064a3639d5673991e8810c
- https://git.kernel.org/stable/c/43aaddd0fa92010a68adeda7744c7cf497a1c8e9
- https://git.kernel.org/stable/c/4b6f1d6d5d07855bd1bb9e64922b049062138bfa
- https://git.kernel.org/stable/c/b585facbafbb5cf117b37b1c75819ac046646c27
- https://git.kernel.org/stable/c/c927b73a5694c735314ea10e7c81c07f9bd51ad7
- https://git.kernel.org/stable/c/71cf8a3ee1c18cfa8b88cc14bac9c2f43dd29f9b