CVE-2022-0995 KEV
7.8
HIGH · CVSS 3.1 · EPSS 8.8% (pctl 95)
Patch first
On CISA KEV — known exploited in the wild, due 2026-09-09.
Description
An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 8.79% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | yes — remediate by 2026-09-09 |
| Public exploit | none known |
| Published | 2022-03-25 |
| Last modified | 2026-08-27 |
CISA KEV
| Name | Linux Kernel Out-of-Bounds Write Vulnerability |
|---|---|
| Added | 2026-08-26 |
| Due | 2026-09-09 |
| Vendor / product | Linux / Kernel |
| Ransomware use | none reported |
Affected (24)
| Vendor | Product |
|---|---|
| fedoraproject | fedora |
| linux | linux kernel |
| netapp | h300e |
| netapp | h300e firmware |
| netapp | h300s |
| netapp | h300s firmware |
| netapp | h410c |
| netapp | h410c firmware |
| netapp | h410s |
| netapp | h410s firmware |
| netapp | h500e |
| netapp | h500e firmware |
| netapp | h500s |
| netapp | h500s firmware |
| netapp | h610c |
| netapp | h610c firmware |
| netapp | h610s |
| netapp | h610s firmware |
| netapp | h615c |
| netapp | h615c firmware |
| netapp | h700e |
| netapp | h700e firmware |
| netapp | h700s |
| netapp | h700s firmware |
References
- http://packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html
- http://packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2063786
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb
- https://security.netapp.com/advisory/ntap-20220429-0001/
- http://packetstormsecurity.com/files/166770/Linux-watch_queue-Filter-Out-Of-Bounds-Write.html
- http://packetstormsecurity.com/files/166815/Watch-Queue-Out-Of-Bounds-Write.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2063786
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb
- https://security.netapp.com/advisory/ntap-20220429-0001/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0995
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