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Critical RHSA-2026:93047 23 CVEs

Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Published Nov 13, 2026 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 32

ReleasePackageFixed in
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-core 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-core 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-debuginfo 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-devel 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-kvm 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules-core 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debug-modules-extra 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debuginfo 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-debuginfo-common-x86_64 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-devel 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-kvm 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules-core 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::nfv kernel-rt-modules-extra 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-core 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-core 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-debuginfo 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-devel 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules-core 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debug-modules-extra 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debuginfo 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-debuginfo-common-x86_64 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-devel 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules-core 0:5.14.0-284.200.1.rt14.485.el9_2
Red Hat · RHEL 9.2 E4S rhel_e4s:9.2::realtime kernel-rt-modules-extra 0:5.14.0-284.200.1.rt14.485.el9_2

Vulnerabilities 23

  • Critical 9.8
    CVE-2025-68745

    scsi: qla2xxx: Clear cmds after chip reset

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Clear cmds after chip reset Commit aefed3e5548f ("scsi: qla2xxx: target: Fix offline port handling and host reset handling") caused two problems: 1. Commands sent to FW, after …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Critical 9.8
    CVE-2026-43493

    crypto: pcrypt - Fix handling of MAY_BACKLOG requests

    In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Fix handling of MAY_BACKLOG requests MAY_BACKLOG requests can return EBUSY. Handle them by checking for that value and filtering out EINPROGRESS notifications.

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.8
    CVE-2026-53246

    sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing

    In the Linux kernel, the following vulnerability has been resolved: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing When a listening SCTP server processes a COOKIE_ECHO chunk, the cached peer INIT chunk embedded after the cookie is pars…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Critical 9.8
    CVE-2026-63922

    ipv6: exthdrs: refresh nh after handling HAO option

    In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh after handling HAO option ip6_parse_tlv() caches skb_network_header(skb) in nh while walking IPv6 TLVs. ipv6_dest_hao() may call pskb_expand_head() for a cloned skb,…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.8
    CVE-2026-63924

    ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() ipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers. Let's recompute nh pointer to make sure any change won't mess…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.8
    CVE-2026-63984

    ipv6: rpl: fix hdrlen overflow in ipv6_rpl_srh_decompress()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: fix hdrlen overflow in ipv6_rpl_srh_decompress() ipv6_rpl_srh_decompress() computes: outhdr->hdrlen = (((n + 1) * sizeof(struct in6_addr)) >> 3); hdrlen is __u8. For n >= 127 the r…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.8
    CVE-2026-63993

    vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu()

    In the Linux kernel, the following vulnerability has been resolved: vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu() skb_tunnel_check_pmtu() can change skb->head. Reusing old_iph afer skb_tunnel_check_pmtu() can cause an UAF. Use instea…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.8
    CVE-2026-72098

    dm-verity: fix buffer overflow in FEC calculation

    In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix buffer overflow in FEC calculation There's a buffer overflow in dm-verity-fec: if (neras && *neras <= v->fec->roots) fio->erasures[(*neras)++] = i; This allows *neras to reach …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Critical 9.1
    CVE-2026-53224

    sctp: validate embedded INIT chunk and address list lengths in cookie

    In the Linux kernel, the following vulnerability has been resolved: sctp: validate embedded INIT chunk and address list lengths in cookie sctp_unpack_cookie() only checked that the embedded INIT chunk length did not exceed the remaining cookie payload, but di…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Critical 9.1
    CVE-2026-64319

    nvmet-auth: validate reply message payload bounds against transfer length

    In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: validate reply message payload bounds against transfer length nvmet_auth_reply() accesses the variable-length rval[] array using attacker-controlled hl (hash length) and dhvlen (D…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Critical 9.1
    CVE-2026-89846

    scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read In qla2x00_status_entry(), the FWI2 status path advances sense_data and shrinks par_sense_len by rsp_info_len: if (IS_FWI2_CAPAB…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.8
    CVE-2026-63831

    mac802154: llsec: add skb_cow_data() before in-place crypto

    In the Linux kernel, the following vulnerability has been resolved: mac802154: llsec: add skb_cow_data() before in-place crypto llsec_do_encrypt_unauth(), llsec_do_encrypt_auth(), llsec_do_decrypt_unauth(), and llsec_do_decrypt_auth() all perform in-place cry…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 8.4
    CVE-2026-72243

    selinux: check connect-related permissions on TCP Fast Open

    In the Linux kernel, the following vulnerability has been resolved: selinux: check connect-related permissions on TCP Fast Open Similar to Landlock, SELinux was not updated when TCP Fast Open support was introduced to ensure connect-related permissions are ch…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2022-50315

    ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS

    In the Linux kernel, the following vulnerability has been resolved: ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS UBSAN complains about array-index-out-of-bounds: [ 1.980703] kernel: UBSAN: array-index-out-of-bounds in /build/linux-9H675w/linux-5.15.0…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-63802

    blk-cgroup: fix UAF in __blkcg_rstat_flush()

    In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF in __blkcg_rstat_flush() When multiple blkgs in the same blkcg are released concurrently, a use-after-free can occur. The race happens when one blkg's __blkcg_rstat_flush(…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-64017

    blk-mq: pop cached request if it is usable

    In the Linux kernel, the following vulnerability has been resolved: blk-mq: pop cached request if it is usable When submitting a bio to blk-mq, if the task should sleep after peeking a cached request, but before it pops it, the plug flushes and calls blk_mq_f…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-74641

    ALSA: usx2y: bound the hwdep mmap fault offset

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: bound the hwdep mmap fault offset snd_us428ctls_vm_fault() turns the faulting page offset into a kernel address with no bound of any kind: offset = vmf->pgoff << PAGE_SHIFT; vadd…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.1
    CVE-2026-46149

    scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show()

    In the Linux kernel, the following vulnerability has been resolved: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() target_tg_pt_gp_members_show() formats LUN paths with snprintf() into a 256-byte stack buffer, then will memcpy() cu…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.1
    CVE-2026-63920

    ipv6: validate extension header length before copying to cmsg

    In the Linux kernel, the following vulnerability has been resolved: ipv6: validate extension header length before copying to cmsg ip6_datagram_recv_specific_ctl() builds IPV6_{HOPOPTS,DSTOPTS,RTHDR} cmsgs (and their IPV6_2292* legacy counterparts) by trusting…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.0
    CVE-2026-52972

    crypto: af_alg - Cap AEAD AD length to 0x80000000

    In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Cap AEAD AD length to 0x80000000 In order to prevent arithmetic overflows when checking the TX buffer size, cap the associated data length to 0x80000000.

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2026-43020

    Bluetooth: MGMT: validate LTK enc_size on load

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: validate LTK enc_size on load Load Long Term Keys stores the user-provided enc_size and later uses it to size fixed-size stack operations when replying to LE LTK requests. An…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2026-43450

    netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() nfnl_cthelper_dump_table() has a 'goto restart' that jumps to a label inside the for loop body. When the "last" helpe…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • Unscored —
    CVE-2026-80792

    ipv6: fix use-after-free in ip6_finish_output2()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: fix use-after-free in ip6_finish_output2() ip6_finish_output2() caches a pointer to the IPv6 destination address (daddr) before invoking lwtunnel_xmit(). The LWT-BPF transmit path or ot…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

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    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2395363
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2425039
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2464455
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2468228
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2479812
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482566
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492364
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492769
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2492771
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502243
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502251
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502326
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502327
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502330
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502369
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502395
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502449
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2507096
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516501
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516684
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2521436
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2528542
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2535391
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2540872
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_93047.json
  • report
    https://access.redhat.com/security/cve/CVE-2022-50315
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2022-50315
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2022-50315
  • article
    https://lore.kernel.org/linux-cve-announce/2025091500-CVE-2022-50315-a3b8@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2025-68745
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-68745
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-68745
  • article
    https://lore.kernel.org/linux-cve-announce/2025122416-CVE-2025-68745-69b5@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-43020
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43020
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43020
  • article
    https://lore.kernel.org/linux-cve-announce/2026050157-CVE-2026-43020-3561@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-43450