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Red Hat Security Advisory

RHSA-2026:95370

kernel security update

Released 2026-11-05 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 16 records

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: sunrpc: pin svc_xprt across the asynchronous TLS handshake callback svc_tcp_handshake() stores the raw svc_xprt pointer in tls_handshake_args.ta_data an…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00635 Published 2026-08-15 Fixed in 6.6.145, 6.12.97 +3
Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: sunrpc: wait for in-flight TLS handshake callback when cancel loses race When wait_for_completion_interruptible_timeout() in svc_tcp_handshake() returns…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00635 Published 2026-08-15 Fixed in 6.6.145, 6.12.97 +3
Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket smc_cdc_rx_handler() looks up the connection by token under the link group's conns_lock,…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00565 Published 2026-07-27 Partial fix · 5.10.261, 5.15.212 +6 CWE-416
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: sctp: stop processing a packet once its association is deleted sctp_endpoint_bh_rcv() looks the association up only when chunk->asoc is NULL, and caches…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.005 Published 2026-09-11 Partial fix · 5.10.270, 5.15.221 +6
TI-2026-52534 CVE-2026-74752 · GHSA-3494-mfxc-798j

sctp: validate cookie AUTH state before use

Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: sctp: validate cookie AUTH state before use When cookie authentication is disabled, COOKIE_ECHO restores fixed-size AUTH fields directly from peer-contr…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00524 Published 2026-08-26 Partial fix · 6.6.160, 6.12.114 +2
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: sctp: keep chunk->transport in step with the list it is queued on __sctp_outq_flush_rtx() moves a gap-acked chunk onto another transport's transmitted l…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.005 Published 2026-08-22 Partial fix · 5.10.265, 5.15.216 +6
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: sctp: clear new_transport when removing a peer sctp_process_asconf_param() stores a newly added peer transport in asoc->new_transport.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.005 Published 2026-08-22 Partial fix · 5.10.265, 5.15.216 +6
TI-2026-55566 CVE-2026-80553 · GHSA-rq35-rvjv-r5cq

s390/vfio_ccw: Cancel existing workqueues

Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Cancel existing workqueues The initialization of the io_work and crw_work workqueues begs the question of whether they should be un-initi…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00129 Published 2026-08-26 Partial fix · 5.10.267, 5.15.218 +6
Priority LOW 37

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: validate user buffer length in SNMP and ARP query ioctls qeth_snmp_command() and qeth_l3_arp_query() allocate a buffer sized by a user-suppli…

CVSS 3.1HIGH 8.4 Local No auth No interaction EPSS 0.00132 Published 2026-08-26 Partial fix · 5.10.266, 5.15.217 +6
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: openvswitch: Fix CT limit teardown use-after-free Packet processing uses CT limit state under RCU, while netns teardown frees that state under ovs_mutex…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00126 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: fs/resctrl: Fix use-after-free during unmount During unmount or failure teardown all mon_data structures that contain monitoring event file private data…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00169 Published 2026-08-15 Fixed in 6.18.42, 7.1.5 +1 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA AES cipher key requests cca_cipher2protkey() derives the copy length for the CPRB parameter block directly from the…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0013 Published 2026-08-13 Partial fix · 5.10.265, 5.15.216 +6 CWE-120
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests cca_ecc2protkey() derives the copy length for the CPRB parameter block directly from the l…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00132 Published 2026-08-13 Partial fix · 5.10.265, 5.15.216 +6 CWE-120
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid auth_enable sysctl UAF during netns teardown proc_sctp_do_auth() updates the SCTP control socket after changing net.sctp.auth_enable.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00198 Published 2026-08-10 Partial fix · 5.4.292, 5.10.266 +7 CWE-416
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: s390/boot: Avoid IPL parameter append past command line A command line may occupy all but the terminating byte of COMMAND_LINE_SIZE.

CVSS — EPSS 0.00206 Published 2026-10-14 Partial fix · 6.12.112, 6.18.53 +2
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: papr-phy-attest - validate cmd.length, plug mem leak In papr_phy_attest_create_handle(), the params->cmd.length is not validated before…

CVSS — EPSS 0.00155 Published 2026-08-26 Partial fix · 6.18.46, 7.1.10 +1