RHSA-2023:1091 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)

• kernel: use-after-free related to leaf anon_vma double reuse (CVE-2022-42703)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• Regression - SAS3416 card works on RHEL 7.7 and below, does not work on RHEL 7.8 or 7.9 (BZ#1974485)

• use-after-free in sctp_do_8_2_transport_strike (BZ#2054037)

• RHEL7.9 - [Regression] Kernel test failed during CPU polarization test - lscpu, chcpu - LPAR (BZ#2071980)

• RHEL 7, block: Crash in blk_mq_rq_timed_out() when dereferencing NULL request->q pointer (BZ#2088029)

• qla2xxx: Qlogic double completion races during error handling are still not fixed and this will also be a RHEL8+ exposure (BZ#2092105)

• kernel 3.10.0-1160.80.1.el7.x86_64 on Xeon E55xx crashes upon KVM startup (BZ#2143438)

• Guest's time jumped forward by 12 minutes after live-migration completes (in 30 seconds) (BZ#2152838)

• RHEL7: target crashes if a malicious initiator sends a logout immediately after a login command (BZ#2154243)

• RHEL7.9 - LTP testcase creat09 fails related to 'CVE-2018-13405' and 'CVE-2021-4037` (BZ#2159946)