Red Hat Security AdvisoryRHSA-2023:5621
kernel-rt security and bug fix update
Released 2023-10-10 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-1160.102.1.rt56.1250.el7, kernel-rt-debug-3.10.0-1160.102.1.rt56.1250.el7, kernel-rt-debug-devel-3.10.0-1160.102.1.rt56.1250.el7 +4
- Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1160.102.1.rt56.1250.el7, kernel-rt-debug-3.10.0-1160.102.1.rt56.1250.el7, kernel-rt-debug-devel-3.10.0-1160.102.1.rt56.1250.el7 +7
Fixes 3 records
Priority MEDIUM 51
In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.13443 · Published 2023-05-08 · Fixed CWE-416
Priority LOW 37
Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.01544 · Published 2023-07-05 · Fixed CWE-787
Priority LOW 37
A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00487 · Published 2023-07-21 · Partial fix · 4.14.322, 4.19.291 +6 CWE-416
