Red Hat Security AdvisoryRHSA-2026:55445
kernel security, bug fix, and enhancement update
Released 2026-08-17 · Red Hat rating Important · View on Red Hat →
Fixes 12 records
Priority HIGH 69
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a rac…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00485 · Published 2026-06-25 · Partial fix · 5.10.259, 5.15.210 +6 CWE-416
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 48
Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00544 · Published 2026-06-09 · Partial fix CWE-362
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: netfilter: nat: use kfree_rcu to release ops Florian Westphal says: "Historically this is not an issue, even for normal base hooks: the data path doesn'…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00183 · Published 2026-06-24 · Partial fix · 6.1.191, 6.6.160 +4 CWE-763
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: drm/amd/display: Do not skip unrelated mode changes in DSC validation Starting with commit 17ce8a6907f7 ("drm/amd/display: Add dsc pre-validation in ato…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0014 · Published 2026-04-22 · Partial fix · 6.1.175, 6.6.140 +4 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: iommu: disable SVA when CONFIG_X86 is set Patch series "Fix stale IOTLB entries for kernel address space", v7.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00162 · Published 2026-01-13 · Partial fix · 5.10.273, 5.15.200 +5 CWE-416
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: dm log: fix out-of-bounds write due to region_count overflow The local variable region_count in create_log_context() is declared as unsigned int (32-bit…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00141 · Published 2026-06-24 · Partial fix · 5.10.258, 5.15.209 +6 CWE-787
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix potential UAF after skb_unshare() failure If skb_unshare() fails to unshare a packet due to allocation failure in rxrpc_input_packet(), the s…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00137 · Published 2026-05-27 · Partial fix · 6.6.140, 6.12.86 +3 CWE-416
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: crypto: seqiv - Do not use req->iv after crypto_aead_encrypt As soon as crypto_aead_encrypt is called, the underlying request may be freed by an asynchr…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00305 · Published 2026-01-14 · Partial fix · 5.10.248, 5.15.198 +5 CWE-416
Priority LOW 24
In the Linux kernel, the following vulnerability has been resolved: mm: thp: deny THP for files on anonymous inodes file_thp_enabled() incorrectly allows THP for files on anonymous inodes (e.g.
CVSS 3.1MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00123 · Published 2026-03-25 · Fixed in 6.12.78, 6.18.17 +2 CWE-617
Priority LOW 20
In the Linux kernel, the following vulnerability has been resolved: scsi: core: Wake up the error handler when final completions race against each other The fragile ordering between marking commands completed or failed s…
CVSS 3.1MEDIUM 4.7· Local · Low privileges · No interaction · EPSS 0.00113 · Published 2026-02-04 · Partial fix · 5.10.249, 6.1.162 +4 CWE-362