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Red Hat Security Advisory

RHSA-2026:27789

kernel security, bug fix, and enhancement update

Released 2026-06-22 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 17 records

Priority HIGH 69

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcf_pedit_act() computes the COW range for skb_ensure_writable() once before the key l…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00639 Published 2026-06-16 Fixed in 5.10.260, 5.15.211 +9 CWE-190
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 49

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix race between ICReq handling and queue teardown nvmet_tcp_handle_icreq() updates queue->state after sending an Initialization Connection R…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00397 Published 2026-05-28 Partial fix · 5.10.261, 5.15.212 +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 40

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: remove station if connection prep fails If connection preparation fails for MLO connections, then the interface is completely reset to n…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00303 Published 2026-05-28 Partial fix · 6.1.176, 6.6.140 +4 CWE-416
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers hci_conn lookup and field access must be covered by hdev lock in hci_user_passkey_notify…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00282 Published 2026-05-27 Partial fix · 5.10.259, 5.15.210 +6 CWE-416
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 39

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: drop stray 'static' from fast-RX rx_result ieee80211_invoke_fast_rx() is documented as safe for parallel RX, but its per-invocation rx_r…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00168 Published 2026-05-28 Fixed in 6.6.140, 6.12.88 +3 CWE-362
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
TI-2026-33869 CVE-2026-46145 · GHSA-h8h4-4mrv-wh3h

RDMA/mana: Validate rx_hash_key_len

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rx_hash_key_len Sashiko points out that rx_hash_key_len comes from a uAPI structure and is blindly passed to memcpy, allowing the us…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00147 Published 2026-05-28 Fixed in 6.6.141, 6.12.88 +3 CWE-120
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() Sashiko points out that the user can specify WQs sharing the same CQ as a part o…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00138 Published 2026-05-28 Fixed in 6.12.91, 6.18.30 +2 CWE-20
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in iomap inline data write path The inline data buffer head (dibh) is being released prematurely in gfs2_iomap_begin() via rele…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00184 Published 2026-05-27 Partial fix · 5.10.252, 5.15.202 +6 CWE-826
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Add sanity check for OOB writes at silencing At silencing the playback URB packets in the implicit fb mode before the actual playback,…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00123 Published 2026-05-06 Partial fix · 5.15.202, 6.1.165 +5 CWE-787
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync hci_le_big_create_sync() uses DEFINE_FLEX to allocate a struct hci_cp_le_big_cr…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00142 Published 2026-05-01 Fixed in 6.12.81, 6.12 +3 CWE-121
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() isotp_sendmsg() uses only cmpxchg() on so->tx.state to serialize access to so->tx.buf.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00104 Published 2026-04-22 Fixed in 6.6.131, 6.12.80 +3 CWE-416
TI-2026-31439 CVE-2026-43260 · GHSA-w6jm-j85g-vpgj

bnxt_en: Fix RSS context delete logic

Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Fix RSS context delete logic We need to free the corresponding RSS context VNIC in FW everytime an RSS context is deleted in driver.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00138 Published 2026-05-06 Fixed in 6.12.75, 6.18.16 +2 CWE-415
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix double free via VMA splitting privcmd_vm_ops defines .close (privcmd_close), but neither .may_split nor .open.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00183 Published 2026-04-30 Partial fix · 5.10.254, 5.15.204 +6 CWE-415