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Red Hat Security Advisory

RHSA-2026:33215

kernel security, bug fix, and enhancement update

Released 2026-06-29 · 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: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6_fill_trace_data() stores the schema contribution to the trace length in a u8.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00512 Published 2026-05-08 Fixed in 5.15.210, 6.1.168 +5 CWE-190
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 MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: xfs: fix freemap adjustments when adding xattrs to leaf blocks xfs/592 and xfs/794 both trip this assertion in the leaf block freemap adjustment code af…

CVSS 3.1HIGH 8.8 Network Low privileges No interaction EPSS 0.00469 Published 2026-05-06 Partial fix · 5.10.252, 5.15.202 +6 CWE-664
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar detect work The call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to be freed and removed…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00203 Published 2026-05-28 Fixed in 6.12.88, 6.18.30 +2 CWE-416
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: 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: 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: mm/page_alloc: clear page->private in free_pages_prepare() Several subsystems (slub, shmem, ttm, etc.) use page->private but don't clear it before freei…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00172 Published 2026-05-08 Partial fix · 6.1.176, 6.6.143 +4 CWE-457
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