Red Hat Security AdvisoryRHSA-2026:34094
kernel security, bug fix, and enhancement update
Released 2026-07-01 · Red Hat rating Important · View on Red Hat →
Fixes 18 records
Priority MEDIUM 50
In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows ipv6_rpl_srh_rcv() decompresses an RFC 6554 Source Routing Header, swaps the next segmen…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00732 · Published 2026-05-21 · Partial fix · 5.10.258, 5.15.209 +6 CWE-787
Priority MEDIUM 50
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Completely fix fcport double free In qla24xx_els_dcmd_iocb() sp->free is set to qla2x00_els_dcmd_sp_free().
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.006 · Published 2026-05-08 · Partial fix · 6.1.191, 6.6.160 +7 CWE-415
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
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 48
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_inner: Fix IPv6 inner_thoff desync In nft_inner_parse_l2l3(), when processing inner IPv6 packets, ipv6_find_hdr() correctly computes the…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00418 · Published 2026-06-03 · Fixed in 6.6.142, 6.12.92 +3 CWE-682
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL The SCTP_SENDALL path in sctp_sendmsg() iterates ep->asocs with list_for_each_…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00104 · Published 2026-05-28 · Fixed in 5.10.258, 5.15.209 +6 CWE-362
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/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init() mlx5_ib_dev_res_srq_init() allocates two SRQs, s0 and s1.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00142 · Published 2026-05-28 · Fixed in 6.6.140, 6.12.88 +3 CWE-825
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: exit: prevent preemption of oopsing TASK_DEAD task When an already-exiting task oopses, make_task_dead() currently calls do_task_dead() with preemption…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00132 · Published 2026-05-28 · Partial fix · 6.1.175, 6.6.140 +4 CWE-416
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
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Fix double dma_buf_unpin in failure path In ib_umem_dmabuf_get_pinned_with_dma_device(), the call to ib_umem_dmabuf_map_pages() can fail.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00139 · Published 2026-05-06 · Partial fix · 6.1.165, 6.6.128 +4 CWE-415
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Fix racy access at PCM trigger The PCM trigger callback of aloop driver tries to check the PCM state and stop the stream of the tied substr…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00133 · Published 2026-02-14 · Partial fix · 5.10.270, 5.15.221 +5 CWE-362
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_helper: pass helper to expect cleanup nf_conntrack_helper_unregister() calls nf_ct_expect_iterate_destroy() to remove expectatio…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00131 · Published 2026-05-01 · Partial fix · 5.10.253, 5.15.203 +6 CWE-416
Priority LOW 24
In the Linux kernel, the following vulnerability has been resolved: cachestat: fix page cache statistics permission checking When the 'cachestat()' system call was added in commit cf264e1329fb ("cachestat: implement cach…
CVSS 3.1MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00204 · Published 2025-02-10 · Partial fix · 6.6.75, 6.12.12 +2
Priority LOW 24
In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: clamp maximum hashtable size to INT_MAX Use INT_MAX as maximum size for the conntrack hashtable.
CVSS 3.1MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00219 · Published 2025-01-19 · Partial fix · 5.10.234, 5.15.177 +4