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High ELSA-2026-87805 8 CVEs

Important: kernel security, bug fix, and enhancement update (Oracle Linux 9)

Published Oct 23, 2026 · Updated Oct 23, 2026

Summary

[5.14.0-687.60.1]
- Disable UKI signing [Orabug: 36571828]
- Update Oracle Linux certificates (Kevin Lyons)
- Disable signing for aarch64 (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237]
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15.3-1.0.5]
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34729535]
- Add Oracle Linux IMA certificates
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985764]

[5.14.0-687.60.1]
- xfs: bounds-check buffer log item's dirty bitmap (Pavel Reichl) [RHEL-253366] {CVE-2026-80536}
- ovl: check access to copy_file_range source with src mounter creds (Miklos Szeredi) [RHEL-238870] {CVE-2026-68448}
- ALSA: seq: close a re-opened queue timer in the destructor (CKI Backport Bot) [RHEL-263709] {CVE-2026-68202}
- calipso: unlock rcu before returning -EAFNOSUPPORT (CKI Backport Bot) [RHEL-257685] {CVE-2025-38147}
- calipso: Don't call calipso functions for AF_INET sk. (CKI Backport Bot) [RHEL-257685] {CVE-2025-38147}
- netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets (CKI Backport Bot) [RHEL-257666] {CVE-2025-22063}
- xfs: fix exchange-range reflink flag clearing issue with INO1_WRITTEN (CKI Backport Bot) [RHEL-255258] {CVE-2026-80530}
- vmxnet3: fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets (CKI Backport Bot) [RHEL-252811] {CVE-2026-68299}
- ALSA: hda/cs35l41: Fix firmware load work teardown (CKI Backport Bot) [RHEL-234099] {CVE-2026-64481}
- rtla: Fix segfault on multiple SIGINTs (Tomas Glozar) [RHEL-193029]

[5.14.0-687.59.1]
- net: always dissect GSO packets in __virtio_net_hdr_to_skb() (Davide Caratti) [RHEL-284987]
- ipv4: validate checksum_start before completing checksum (CKI Backport Bot) [RHEL-284987] {CVE-2026-99999}
- smb: client: reject a tree connect response whose byte count is too small (Alisher Mazhirinov) [RHEL-271284] {CVE-2026-89631}
- exec: Cleanup POSIX timers right after de_thread() (Luiz Capitulino) [RHEL-282063] {CVE-2026-98260}
- perf: Fix addr_filter_ranges lifetime (Vratislav Bendel) [RHEL-271871] {CVE-2026-93817}
- smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() (Frank Sorenson) [RHEL-271487] {CVE-2026-89633}
- strparser: make sure __strp_recv isn't running before tearing down the parser (Sabrina Dubroca) [RHEL-270747]
- xfrm: espintcp: fix UAF during close (CKI Backport Bot) [RHEL-256697]
- xfrm: Check for underflow in xfrm_state_mtu (CKI Backport Bot) [RHEL-256697]
- xfrm: route MIGRATE notifications to caller's netns (CKI Backport Bot) [RHEL-256697]
- bridge: mcast: Fix a possible use-after-free when removing a bridge port (Jakub Ramaseuski) [RHEL-232528] {CVE-2026-64032}
- net: bridge: Flush multicast groups when snooping is disabled (Jakub Ramaseuski) [RHEL-232528]
- tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction (Antoine Tenart) [RHEL-231693] {CVE-2026-64024}
- ipv4: fib: free fib_alias with kfree_rcu() on insert error path (Jamie Bainbridge) [RHEL-233131] {CVE-2026-64572}
- inet: frags: strip GSO state from fragments before reassembly (Jamie Bainbridge) [RHEL-254224] {CVE-2026-80590}
- ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (Jamie Bainbridge) [RHEL-225452] {CVE-2026-64114}
- usb: typec: ucsi: validate connector number in ucsi_connector_change() (Desnes Nunes) [RHEL-259429] {CVE-2026-63958}
- usb: typec: ucsi: displayport: NAK DP_CMD_CONFIGURE without a payload VDO (Desnes Nunes) [RHEL-259429]
- usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() (Desnes Nunes) [RHEL-259429] {CVE-2026-63962}
- usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers (Desnes Nunes) [RHEL-259429] {CVE-2026-63963}
- usb: typec: altmodes/displayport: validate count before reading Status Update VDO (Desnes Nunes) [RHEL-259429] {CVE-2026-63961}
- USB: serial: cypress_m8: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63956}
- USB: serial: safe_serial: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63957}
- USB: serial: omninet: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63928}
- USB: serial: mxuport: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63899}
- Bluetooth: hci_sync: Fix advertising data UAFs (CKI Backport Bot) [RHEL-254674] {CVE-2026-74509}
- openvswitch: vport: fix self-deadlock on release of tunnel ports (CKI Backport Bot) [RHEL-253856] {CVE-2026-31678}
- openvswitch: defer tunnel netdev_put to RCU release (CKI Backport Bot) [RHEL-253856] {CVE-2026-31678}
- Bluetooth: hci_core: Fix queuing tx_work after workqueue is drained (CKI Backport Bot) [RHEL-244764] {CVE-2026-63974}
- Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close (CKI Backport Bot) [RHEL-244764] {CVE-2026-63974}
- xfrm: espintcp: do not reuse an in-progress partial send (CKI Backport Bot) [RHEL-222958] {CVE-2026-52935}

Fixed packages 29

ReleasePackageFixed in
Oracle Linux · 9 kernel 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-abi-stablelists 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-core 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-cross-headers 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-debug 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-debug-core 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-debug-devel 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-debug-devel-matched 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-debug-modules 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-debug-modules-core 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-debug-modules-extra 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-debug-uki-virt 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-devel 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-devel-matched 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-doc 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-headers 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-modules 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-modules-core 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-modules-extra 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-tools 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-tools-libs 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-tools-libs-devel 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-uki-virt 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 kernel-uki-virt-addons 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 libperf 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 perf 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 python3-perf 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 rtla 0:5.14.0-687.60.1.el9_8
Oracle Linux · 9 rv 0:5.14.0-687.60.1.el9_8

Vulnerabilities 8

  • High 8.4

    xfs: bounds-check buffer log item's dirty bitmap

    In the Linux kernel, the following vulnerability has been resolved: xfs: bounds-check buffer log item's dirty bitmap xlog_recover_do_reg_buffer() replays each dirty region described by a buffer log item's bitmap into the buffer read for that item: memcpy(xfs_…

  • High 7.8

    ALSA: hda/cs35l41: Fix firmware load work teardown

    In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/cs35l41: Fix firmware load work teardown cs35l41_hda creates ALSA controls whose private data points at the cs35l41_hda object. The firmware load control can also queue fw_load_work…

  • High 7.8

    ALSA: seq: close a re-opened queue timer in the destructor

    In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: close a re-opened queue timer in the destructor queue_delete() closes the queue timer, then frees it. snd_seq_timer_close() clears q->timer->timeri. snd_use_lock_sync() then drains…

  • High 7.5

    vmxnet3: fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets

    In the Linux kernel, the following vulnerability has been resolved: vmxnet3: fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets vmxnet3_get_hdr_len() assumes gdesc->rcd.v4/v6/tcp always describe the outer header, but for a Geneve-encapsulated packet the d…

  • High 7.1

    xfs: fix exchange-range reflink flag clearing issue with INO1_WRITTEN

    In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchange-range reflink flag clearing issue with INO1_WRITTEN When exchanging two full-file ranges, xmi_can_exchange_reflink_flags() can move the reflink inode flag from the file that…

  • Medium 5.5

    netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets

    In the Linux kernel, the following vulnerability has been resolved: netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets When calling netlbl_conn_setattr(), addr->sa_family is used to determine the function behavior. If sk is an IPv4 socket,…

  • Unscored —

    calipso: Don't call calipso functions for AF_INET sk.

    In the Linux kernel, the following vulnerability has been resolved: calipso: Don't call calipso functions for AF_INET sk. syzkaller reported a null-ptr-deref in txopt_get(). [0] The offset 0x70 was of struct ipv6_txoptions in struct ipv6_pinfo, so struct ipv6…

  • Unscored —

    ovl: check access to copy_file_range source with src mounter creds

    In the Linux kernel, the following vulnerability has been resolved: ovl: check access to copy_file_range source with src mounter creds Commit 5dae222a5ff0c ("vfs: allow copy_file_range to copy across devices") allowed filesystems that implement the copy_file_…