In the Linux kernel, the following vulnerability has been resolved:
mm/damon/core: initialize damo_filter->list from damos_new_filter()
damos_new_filter() is not initializing the list field of newly allocated filter object. However, DAMON sysfs interface and DAMON_RECLAIM are not initializing it after calling damos_new_filter(). As a result, accessing uninitialized memory is possible. Actually, adding multiple DAMOS filters via DAMON sysfs interface caused NULL pointer dereferencing. Initialize the field just after the allocation from damos_new_filter().
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade perfUpgrade python-perfUpgrade python-perf-debuginfoUpgrade perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-headersUpgrade bpftool-debuginfoUpgrade kernelUpgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-develUpgrade kernel-livepatch-5.10.192-182.736Upgrade kernel-devel | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | Nov 14, 2025 | Oct 4, 2025 |
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