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Red Hat Security Advisory

RHSA-2026:25120

kernel-rt security update

Released 2026-06-10 · Red Hat rating Critical · View on Red Hat →

Fixed in

Fixes 13 records

TI-2026-31304 CVE-2026-43125 · GHSA-fr2c-799q-pg3x

dlm: validate length in dlm_search_rsb_tree

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: dlm: validate length in dlm_search_rsb_tree The len parameter in dlm_dump_rsb_name() is not validated and comes from network messages.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00538 Published 2026-05-06 Partial fix · 5.15.224, 6.1.191 +5 CWE-787
TI-2026-31217 CVE-2026-43037 · GHSA-p2wf-qj6m-x5fg

ip6_tunnel: clear skb2->cb[] in ip4ip6_err()

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() Oskar Kjos reported the following problem.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00688 Published 2026-05-01 Partial fix · 5.10.253, 5.15.203 +6 CWE-121
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handle_auth_done() Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds a…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00407 Published 2026-01-23 Partial fix · 5.15.198, 6.1.161 +4 CWE-125
Priority MEDIUM 48

In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() Sashiko AI-review observed: In ip6_err_gen_icmpv6_unreach(), the skb is an outer IPv4 ICMP…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00255 Published 2026-05-01 Partial fix · 5.10.253, 5.15.203 +6 CWE-787
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() If the osdmap is (maliciously) corrupted such that the incremental osdmap epoch is dif…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00403 Published 2026-01-23 Partial fix · 5.10.248, 5.15.198 +5 CWE-400
Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: geneve: Fix use-after-free in geneve_find_dev().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0025 Published 2025-03-12 Partial fix · 5.4.291, 5.10.235 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() Sashiko points out the radix_tree itself is RCU safe, but nothing ever frees the mlx4_srq struct with…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00144 Published 2026-05-28 Partial fix · 6.1.191, 6.6.160 +4 CWE-366
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix double free in rxe_srq_from_init In rxe_srq_from_init(), the queue pointer 'q' is assigned to 'srq->rq.queue' before copying the SRQ numbe…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00199 Published 2026-05-27 Partial fix · 4.20, 5.10.259 +7 CWE-415
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOB reads parsing symlink error response When a CREATE returns STATUS_STOPPED_ON_SYMLINK, smb2_check_message() returns success without…

CVSS 3.1HIGH 8.1 Network No auth User interaction EPSS 0.00387 Published 2026-04-24 Partial fix · 6.1, 6.1.175 +6 CWE-125
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: release flowtable after rcu grace period on error Call synchronize_rcu() after unregistering the hooks from error path, since a ho…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00165 Published 2026-03-25 Partial fix · 5.10.273, 5.15.224 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcp_write_timer_handler().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00148 Published 2025-12-09 Fixed in 6.1.191, 6.2.12 +1
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: ALSA: 6fire: fix use-after-free on disconnect In usb6fire_chip_abort(), the chip struct is allocated as the card's private data (via snd_card_new with s…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00128 Published 2026-04-24 Partial fix · 5.10.258, 5.15.209 +10 CWE-416
TI-2025-41942 CVE-2025-68366 · GHSA-9x47-h3pc-w4pg

nbd: defer config unlock in nbd_genl_connect

Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbd_genl_connect There is one use-after-free warning when running NBD_CMD_CONNECT and NBD_CLEAR_SOCK: nbd_genl_connect nbd_a…

CVSS — EPSS 0.00198 Published 2025-12-24 Partial fix · 5.10.248, 5.15.198 +6