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Red Hat Security Advisory

RHSA-2026:93412

kernel security, bug fix, and enhancement update

Released 2026-11-01 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 18 records

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE core_scsi3_emulate_pro_register_and_move() maps the PERSISTENT RESERVE OUT parame…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00724 Published 2026-08-15 Partial fix · 3.3, 5.10.261 +7 CWE-416
Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: spi: fsl-lpspi: terminate the RX channel on TX prepare failure path When dmaengine_prep_slave_sg() fails for the TX channel, the error path terminates t…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00694 Published 2026-07-25 Partial fix · 5.10.261, 5.15.212 +6 CWE-416
Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: ipv6: sit: reload inner IPv6 header after GSO offloads ipip6_tunnel_xmit() caches the inner IPv6 header pointer at function entry and continues using it…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00576 Published 2026-06-25 Partial fix · 5.10.259, 5.15.210 +6 CWE-416
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: mptcp: options: reset DSS fields in case of unexpected size A remote peer could send a malformed DSS with a wrong size, followed by another DSS or MPC +…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00399 Published 2026-08-26 Partial fix · 5.10.266, 5.15.217 +6
Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: ipv4: free inet_opt and ireq_opt after an RCU grace period tcp_v4_syn_recv_sock() transfers ownership of ireq->ireq_opt to the child socket (newinet->in…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.0076 Published 2026-10-15 Partial fix · 5.10.272, 5.15.223 +6
Priority MEDIUM 41

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Reserve a terminator byte for the login payload iscsi_target_check_login_request() rejects a login PDU whose DataSegmentLength exce…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00841 Published 2026-09-16 Partial fix · 5.10.270, 5.15.221 +6
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: sctp: stream: fully roll back denied add-stream state When ADD_OUT_STREAMS is denied, SCTP only shrinks the queued chunks and then lowers outcnt.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00873 Published 2026-06-24 Partial fix · 5.10.259, 5.15.210 +6 CWE-476
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Transfer the hyp stack pages out of the host stage-2 fix_host_ownership() walks only the linear-map alias of each memblock region, and the p…

CVSS 3.1HIGH 8.2 Local High privileges No interaction EPSS 0.00174 Published 2026-10-18 Partial fix · 6.18.55, 7.2.9 +1
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: virtio-fs: avoid double-free on failed queue setup virtio_fs_setup_vqs() allocates fs->vqs and fs->mq_map before calling virtio_find_vqs().

CVSS 3.1HIGH 8.4 Local No auth No interaction EPSS 0.0014 Published 2026-09-24 Fixed in 6.12.111, 6.18.53 +1
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: smb: client: bound dirent name against end of SMB response in cifs_filldir cifs_filldir() copies the entry name out of an SMB1 TRANS2_FIND_FIRST / FIND_…

CVSS 3.1HIGH 8.1 Network No auth User interaction EPSS 0.00344 Published 2026-09-24 Partial fix · 6.1.189, 6.6.158 +3
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: entry: Fix seccomp bypass after ptrace with TSYNC Sashiko review pointed out the following issue.

CVSS 3.1HIGH 8.4 Local Low privileges No interaction EPSS 0.00142 Published 2026-09-11 Partial fix · 5.10.270, 5.15.221 +6
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: packet: use consistent hard_header_len in non-ring send paths packet_snd() reads dev->hard_header_len multiple times while allocating and constructing a…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0012 Published 2026-08-21 Partial fix · 4.5, 4.10 +10
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix UAF in pair command cancellation The pairing completion and authentication failure callbacks look up the pending MGMT_OP_PAIR_DEVIC…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00139 Published 2026-08-15 Partial fix · 6.1.184, 6.6.151 +4
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: tipc: require net admin for TIPCv2 netlink mutators TIPCv2 registers mutating generic-netlink operations without admin permission flags.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00169 Published 2026-08-15 Partial fix · 5.10.261, 5.15.212 +6
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: ipvs: clear the svc scheduler ptr early on edit ip_vs_edit_service() while unbinding the old scheduler clears the svc->scheduler ptr after the scheduler…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00157 Published 2026-06-25 Partial fix · 3.19, 4.2 +8 CWE-416
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: xfrm: hold net_device reference under RCU in bundle creation xfrm_bundle_create() and xfrm_create_dummy_bundle() read dst->dev into a local pointer with…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00121 Published 2026-10-06 Partial fix · 7.2.8, 7.3
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge() nvmet_auth_challenge() receives its output buffer as a void pointer.

CVSS — EPSS 0.00211 Published 2026-10-18 Partial fix · 6.1.191, 6.6.160 +4
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: userspace: fix use-after-free in get_local_id In mptcp_pm_userspace_get_local_id(), the address entry is looked up under spinlock, but its id…

CVSS — EPSS 0.00211 Published 2026-08-10 Fixed in 6.1.184, 6.6.151 +5