Red Hat Security Advisory: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
CVE-2026-46331 is a vulnerability in the Linux kernel's net/sched subsystem, related to the act_pedit functionality that extends the writable skb (socket buffer) range per key. Red Hat Product Security has released an important security update for Red Hat Enterprise Linux 8.8 and related update services to fix this issue. The advisory references a bugzilla fix (BZ-2479492) and provides updated kernel packages. No CVSS score is provided in the advisory, but the severity is rated as important by Red Hat. The update requires a reboot to apply the fix.
Potential Impact
The vulnerability affects the Linux kernel core component, which is critical for system operation. While specific exploitation details are not provided, the kernel-level nature of the flaw implies potential risks to system stability or security if exploited. Red Hat rates the security impact as important, indicating a significant but not critical threat level. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for the kernel packages in Red Hat Enterprise Linux 8.8 and related update services. Applying this update and rebooting the system is required to remediate the vulnerability. Users should follow Red Hat's published guidance at https://access.redhat.com/articles/11258 to apply the update. No additional mitigations are indicated or required beyond applying the official fix and rebooting.
Red Hat Security Advisory: kernel security update
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-46331 is a vulnerability in the Linux kernel's net/sched subsystem, related to the act_pedit functionality that extends the writable skb (socket buffer) range per key. Red Hat Product Security has released an important security update for Red Hat Enterprise Linux 8.8 and related update services to fix this issue. The advisory references a bugzilla fix (BZ-2479492) and provides updated kernel packages. No CVSS score is provided in the advisory, but the severity is rated as important by Red Hat. The update requires a reboot to apply the fix.
Potential Impact
The vulnerability affects the Linux kernel core component, which is critical for system operation. While specific exploitation details are not provided, the kernel-level nature of the flaw implies potential risks to system stability or security if exploited. Red Hat rates the security impact as important, indicating a significant but not critical threat level. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for the kernel packages in Red Hat Enterprise Linux 8.8 and related update services. Applying this update and rebooting the system is required to remediate the vulnerability. Users should follow Red Hat's published guidance at https://access.redhat.com/articles/11258 to apply the update. No additional mitigations are indicated or required beyond applying the official fix and rebooting.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:27355
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a357e0df198dc38c1d4084a
Added to database: 6/19/2026, 5:36:13 PM
Last enriched: 6/19/2026, 5:50:47 PM
Last updated: 6/19/2026, 7:03:42 PM
Views: 3
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