RHSA-2024:4583 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.

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: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)

• kernel: ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port() (CVE-2021-47548)

• kernel: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg (CVE-2021-47596)

• kernel: vt: fix memory overlapping when deleting chars in the buffer (CVE-2022-48627)

• kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock (CVE-2023-52638)

• kernel: mm/vmscan: fix a bug calling wakeup_kswapd() with a wrong zone index (CVE-2024-26783)

• kernel: net/mlx5e: Use a memory barrier to enforce PTP WQ xmit submission tracking occurs after populating the metadata_map (CVE-2024-26858)

• kernel: netfilter: nf_tables: use timestamp to check for set element timeout (CVE-2024-27397)

• kernel: nvme: fix reconnection fail due to reserved tag allocation (CVE-2024-27435)

• kernel: net: ena: Fix incorrect descriptor free behavior (CVE-2024-35958)

• kernel: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique(). (CVE-2024-36904)

• kernel: lib/test_hmm.c: handle src_pfns and dst_pfns allocation failure (CVE-2024-38543)

• kernel: r8169: Fix possible ring buffer corruption on fragmented Tx packets. (CVE-2024-38586)

• kernel: net: micrel: Fix receiving the timestamp in the frame for lan8841 (CVE-2024-38593)

• kernel: netfilter: tproxy: bail out if IP has been disabled on the device (CVE-2024-36270)

• kernel: octeontx2-af: avoid off-by-one read from userspace (CVE-2024-36957)

• kernel: blk-cgroup: fix list corruption from resetting io stat (CVE-2024-38663)

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.