Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since August 26, 2026.
CVE-2022-0995
Linux Kernel Out-of-Bounds Write Vulnerability
Added to KEV August 26, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2022-0995
- CWE
- CWE-787
- Affected products
- Kernel · Linux Kernel · Linux
What happened
Linux Kernel contains an out-of-bounds memory write vulnerability which could allow a local user to gain privileged access or cause a denial of service on the system.
What it means for your business
Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2022-0995). Linux Kernel contains an out-of-bounds memory write vulnerability which could allow a local user to gain privileged access or cause a denial of service on the system. CISA remediation due date: 2026-08-29. If you need help checking exposure, call (864) 335-9223.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA due date: August 29, 2026
Sources
Related briefs
Linux Kernel Missing Initialization of a Variable Vulnerability
Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-46300). Linux Kernel contains a missing initialization of a variable vulnerability that could allow for unintended modification of page-cache-backed data via failure to preserve the shared-fragment marker during socket buffer coalescing, causing ESP input processing to decrypt shared fragments in place. This vulnerability can be chained with CVE-2026-109618 and CVE-2026-109619 to implant PHP webshells and run commands as root. CISA remediation due date: 2026-10-31. If you need help checking exposure, call (864) 335-9223.
Linux Kernel Elevation of Privilege vulnerability
Linux Kernel Elevation of Privilege vulnerability (CVE-2026-62840) was added to Microsoft’s security update guidance. Time-of-check time-of-use (toctou) race condition in Linux Kernel allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Linux Kernel Out-of-Bounds Write Vulnerability
Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-53266). Linux Kernel contains an out-of-bounds write vulnerability in the ebtables SNAT target which allows an ARP sender hardware address rewrite to write directly into a nonlinear socket-buffer fragment backed by a splice-imported file page. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version. CISA remediation due date: 2026-09-21. If you need help checking exposure, call (864) 335-9223.
Linux Kernel Race Condition Vulnerability
Linux Kernel is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-39964). Linux Kernel contains a race condition vulnerability which allows concurrent writes to the same AF_ALG socket causing data to be unpredictably interleaved and creating inconsistencies in the socket's internal state. CISA remediation due date: 2026-09-21. If you need help checking exposure, call (864) 335-9223.
Need help patching?
PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.