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Red Hat Security Advisory

RHSA-2026:35896

kernel security update

Released 2026-07-06 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 11 records

Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: tcp: fix potential race in tcp_v6_syn_recv_sock() Code in tcp_v6_syn_recv_sock() after the call to tcp_v4_syn_recv_sock() is done too late.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00298 Published 2026-05-06 Partial fix · 5.10.270, 5.15.221 +6 CWE-362
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix slab-use-after-free in __inet_lookup_established The ehash table lookups are lockless and rely on SLAB_TYPESAFE_BY_RCU to guarantee socket me…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00471 Published 2026-04-24 Partial fix · 5.15.203, 6.1.169 +5 CWE-416
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: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() In DecodeQ931(), the UserUserIE code path reads a 16-bit length from the packet, the…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.01587 Published 2026-04-03 Partial fix · 5.10.253, 5.15.203 +6 CWE-125
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold sco_recv_frame() reads conn->sk under sco_conn_lock() but immediately re…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00322 Published 2026-04-06 Partial fix · 5.10.265, 5.15.203 +6 CWE-416
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: libceph: make decode_pool() more resilient against corrupted osdmaps If the osdmap is (maliciously) corrupted such that the encoded length of ceph_pg_po…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00458 Published 2026-01-14 Partial fix · 5.10.248, 5.15.198 +5 CWE-125
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 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: ALSA: aloop: Fix peer runtime UAF during format-change stop loopback_check_format() may stop the capture side when playback starts with parameters that…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00104 Published 2026-05-27 Partial fix · 5.10.259, 5.15.210 +6 CWE-416
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: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: * ethernet mangl…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00178 Published 2026-05-08 Partial fix · 5.15.203, 6.1.168 +5 CWE-122