Red Hat Security AdvisoryRHSA-2023:4256
kernel security and bug fix update
Released 2023-07-25 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.97.1.el8_4, kernel-4.18.0-305.97.1.el8_4, kernel-abi-stablelists-4.18.0-305.97.1.el8_4 +14
- Red Hat Enterprise Linux BaseOS E4S (v.8.4) bpftool-4.18.0-305.97.1.el8_4, kernel-4.18.0-305.97.1.el8_4, kernel-abi-stablelists-4.18.0-305.97.1.el8_4 +19
- Red Hat Enterprise Linux BaseOS TUS (v.8.4) bpftool-4.18.0-305.97.1.el8_4, kernel-4.18.0-305.97.1.el8_4, kernel-abi-stablelists-4.18.0-305.97.1.el8_4 +14
Fixes 2 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 36
Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00304 · Published 2023-03-22 · Partial fix · 5.10.169, 5.15.95 +2 CWE-416
