Security update for the Linux Kernel (Live Patch 18 for SUSE Linux Enterprise 15 SP6)
A security update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.81 addresses multiple vulnerabilities including issues in netfilter, NFSv4.0, network packet handling, FUSE, and network scheduling components. These fixes resolve heap overflow, use-after-free, and other memory-related flaws. The update is classified as high severity.
AI Analysis
Technical Summary
This SUSE Linux Enterprise Kernel update (Live Patch 18 for version 6.4.0-150600.23.81) fixes six security vulnerabilities: CVE-2026-23278 (netfilter nf_tables catchall element handling), CVE-2026-31402 (heap overflow in NFSv4.0 LOCK replay cache), CVE-2026-31504 (use-after-free in network packet release), CVE-2026-31694 (oversized directory entries in FUSE page cache), CVE-2026-43503 (final dirty.frag related fixes), and CVE-2026-46323 (network GRO zcopy skb merging). Additionally, a net/sched partial copy-on-write issue leading to page cache problems is fixed. These vulnerabilities affect the SUSE Linux Enterprise Kernel and are addressed by this update.
Potential Impact
The vulnerabilities fixed include memory corruption issues such as heap overflow and use-after-free, which could potentially lead to system instability or privilege escalation if exploited. The flaws affect core kernel components related to networking and filesystem operations, posing a risk to system security and reliability.
Mitigation Recommendations
A security update patch is available for SUSE Linux Enterprise Kernel version 6.4.0-150600.23.81 that addresses these vulnerabilities. Users should apply this official update promptly to mitigate the risks. No information indicates that these issues are already mitigated or require no action.
Security update for the Linux Kernel (Live Patch 18 for SUSE Linux Enterprise 15 SP6)
Description
A security update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.81 addresses multiple vulnerabilities including issues in netfilter, NFSv4.0, network packet handling, FUSE, and network scheduling components. These fixes resolve heap overflow, use-after-free, and other memory-related flaws. The update is classified as high severity.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This SUSE Linux Enterprise Kernel update (Live Patch 18 for version 6.4.0-150600.23.81) fixes six security vulnerabilities: CVE-2026-23278 (netfilter nf_tables catchall element handling), CVE-2026-31402 (heap overflow in NFSv4.0 LOCK replay cache), CVE-2026-31504 (use-after-free in network packet release), CVE-2026-31694 (oversized directory entries in FUSE page cache), CVE-2026-43503 (final dirty.frag related fixes), and CVE-2026-46323 (network GRO zcopy skb merging). Additionally, a net/sched partial copy-on-write issue leading to page cache problems is fixed. These vulnerabilities affect the SUSE Linux Enterprise Kernel and are addressed by this update.
Potential Impact
The vulnerabilities fixed include memory corruption issues such as heap overflow and use-after-free, which could potentially lead to system instability or privilege escalation if exploited. The flaws affect core kernel components related to networking and filesystem operations, posing a risk to system security and reliability.
Mitigation Recommendations
A security update patch is available for SUSE Linux Enterprise Kernel version 6.4.0-150600.23.81 that addresses these vulnerabilities. Users should apply this official update promptly to mitigate the risks. No information indicates that these issues are already mitigated or require no action.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- SUSE Product Security Team
- Advisory Id
- SUSE-SU-2026:2588-1
- Cve Count
- 6
- Additional Cves
- ["CVE-2026-31402","CVE-2026-31504","CVE-2026-31694","CVE-2026-43503","CVE-2026-46323"]
- Cvss Version
- null
Threat ID: 6a3c0d28eed863c81e23f2ba
Added to database: 06/24/2026, 17:00:24 UTC
Last enriched: 06/24/2026, 17:22:37 UTC
Last updated: 06/24/2026, 19:01:39 UTC
Views: 6
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