Red Hat Security AdvisoryRHSA-2023:7554
kpatch-patch security update
Released 2023-11-28 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux BaseOS (v. 8) kpatch-patch-4_18_0-513_5_1-1-1.el8_9
Fixes 3 records
Priority MEDIUM 55
Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.
CVSS 3.1CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.03635 · Published 2023-09-20 · Fixed CWE-682
Priority MEDIUM 50
A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.09617 · Published 2023-11-01 · Partial fix · 4.18.0-513.9.1.rt7.311.el8_9, 4.18.0-513.9.1.el8_9 +11 CWE-416
Priority LOW 36
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00344 · Published 2023-07-24 · Partial fix · 4.18.0-513.9.1.rt7.311.el8_9, 4.18.0-513.9.1.el8_9 +12 CWE-787
