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SUSE-SU-2023:4848-1 Not scored

Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-150500_55_19 fixes several issues. The following security issues were fixed: - CVE-2023-3610: Fixed use-after-free vulnerability in nf_tables can be exploited to achieve local privilege escalation (bsc#1213584). - CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables component can be exploited to achieve local privilege escalation. (bsc#1215097) - CVE-2023-5345: Fixed an use-after-free vulnerability in the fs/smb/client component which could be exploited to achieve local privilege escalation. (bsc#1215971) - CVE-2023-4622: Fixed a use-after-free vulnerability in the Unix domain sockets component which could be exploited to achieve local privilege escalation (bsc#1215442). - CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape. (bsc#1215519)

Exploit probability Not scored
Published December 14, 2023
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:Linux Enterprise Live Patching 15 SP4 kernel-livepatch-SLE15-SP4-RT_Update_1
SUSE:Linux Enterprise Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_3

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2023:4848-1

This update for the Linux Kernel 5.14.21-150500_55_19 fixes several issues. The following security issues were fixed: - CVE-2023-3610: Fixed use-after-free vulnerability in nf_tables can be exploited to achieve local privilege escalation (bsc#1213584). - CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables component can be exploited to achieve local privilege escalation. (bsc#1215097) - CVE-2023-5345: Fixed an use-after-free vulnerability in the fs/smb/client component which could be exploited to achieve local privilege escalation. (bsc#1215971) - CVE-2023-4622: Fixed a use-after-free vulnerability in the Unix domain sockets component which could be exploited to achieve local privilege escalation (bsc#1215442). - CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape. (bsc#1215519)

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05 / REFERENCES

Further evidence