RHSA-2026:92993 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

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: ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS (CVE-2022-50315)

• kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745)

• kernel: Bluetooth: MGMT: validate LTK enc_size on load (CVE-2026-43020)

• kernel: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() (CVE-2026-43450)

• kernel: crypto: pcrypt - Fix handling of MAY_BACKLOG requests (CVE-2026-43493)

• kernel: Linux kernel: xfrm single-frag length not properly limited ()

• kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149)

• kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972)

• kernel: sctp: validate embedded INIT chunk and address list lengths in cookie (CVE-2026-53224)

• kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246)

• kernel: mac802154: llsec: add skb_cow_data() before in-place crypto (CVE-2026-63831)

• kernel: blk-cgroup: fix UAF in __blkcg_rstat_flush() (CVE-2026-63802)

• kernel: ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() (CVE-2026-63924)

• kernel: ipv6: exthdrs: refresh nh after handling HAO option (CVE-2026-63922)

• kernel: ipv6: validate extension header length before copying to cmsg (CVE-2026-63920)

• kernel: vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu() (CVE-2026-63993)

• kernel: ipv6: rpl: fix hdrlen overflow in ipv6_rpl_srh_decompress() (CVE-2026-63984)

• kernel: blk-mq: pop cached request if it is usable (CVE-2026-64017)

• kernel: nvmet-auth: validate reply message payload bounds against transfer length (CVE-2026-64319)

• kernel: dm-verity: fix buffer overflow in FEC calculation (CVE-2026-72098)

• kernel: selinux: check connect-related permissions on TCP Fast Open (CVE-2026-72243)

• kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641)

• kernel: ipv6: fix use-after-free in ip6_finish_output2() (CVE-2026-80792)

• kernel: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read (CVE-2026-89846)

• kernel: kernel: strparser: use-after-free via msg_timer_work rearm after strp_done() cancellation ()

Bug Fix(es) and Enhancement(s):

• BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580 (JIRA:RHEL-242997)

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.