Red Hat Security AdvisoryRHSA-2026:27708
kernel security, bug fix, and enhancement update
Released 2026-06-22 · Red Hat rating Important · View on Red Hat →
Fixes 13 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 HIGH 69
In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upca…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00413 · Published 2026-06-01 · Fixed in 5.10.258, 5.15.209 +6 CWE-20
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix workqueue list corruption by removing work_list The commit e1168f0 ("RDMA/iwcm: Simplify cm_event_handler()") changed the work submission…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00529 · Published 2026-05-27 · Fixed in 6.12.75, 6.18.14 +2 CWE-1341
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: 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 39
Ceph is an open-source distributed storage platform providing object, block, and file storage.
CVSS 3.1HIGH 8.9· Adjacent network · Low privileges · No interaction · EPSS 0.00093 · Published 2026-08-27 · Partial fix · 19.2.6, 20.2.4 CWE-327
Priority LOW 38
In the Linux kernel, the following vulnerability has been resolved: libceph: reset sparse-read state in osd_fault() When a fault occurs, the connection is abandoned, reestablished, and any pending operations are retried.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00248 · Published 2026-02-14 · Fixed in 6.6.121, 6.12.66 +2 CWE-667
Priority LOW 36
In the Linux kernel, the following vulnerability has been resolved: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().
CVSS 3.1HIGH 8.1· Network · No auth · No interaction · EPSS 0.0042 · Published 2025-11-12 · Partial fix · 6.1.187, 6.6.156 +3
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skb_gro_receive() can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00137 · Published 2026-06-09 · Partial fix · 6.1.176, 6.6.142 +4 CWE-416
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: netfilter: ctnetlink: ensure safe access to master conntrack Holding reference on the expectation is not sufficient, the master conntrack object can jus…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00101 · Published 2026-05-06 · Partial fix · 6.1.176, 6.6.143 +4 CWE-362
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in __pnet_find_base_ndev().
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0015 · Published 2025-10-28 · Partial fix · 6.1.187, 6.6.156 +3