Red Hat Security AdvisoryRHSA-2026:1886
kernel security update
Released 2026-02-04 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.184.1.el8_4, kernel-4.18.0-305.184.1.el8_4, kernel-abi-stablelists-4.18.0-305.184.1.el8_4 +14
- Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.184.1.el8_4, kernel-4.18.0-305.184.1.el8_4, kernel-abi-stablelists-4.18.0-305.184.1.el8_4 +14
Fixes 8 records
Priority MEDIUM 48
In the Linux kernel, the following vulnerability has been resolved: net: atlantic: fix fragment overflow handling in RX path The atlantic driver can receive packets with more than MAX_SKB_FRAGS (17) fragments when handli…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00467 · Published 2025-12-16 · Partial fix · 5.10.247, 5.15.197 +6
Priority MEDIUM 42
In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname TCP_Server_Info::hostname may be updated once or many times during reconnect, so pr…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00415 · Published 2025-12-08 · Partial fix · 6.1.28, 6.2.15 +2
Priority LOW 37
In the Linux kernel, the following vulnerability has been resolved: i40e: fix idx validation in config queues msg Ensure idx is within range of active/initialized TCs when iterating over vf->ch[idx] in i40e_vc_config_que…
CVSS 3.1HIGH 8.8· Local · Low privileges · No interaction · EPSS 0.00158 · Published 2025-10-15 · Partial fix · 5.4.300, 5.10.245 +6
Priority LOW 36
In the Linux kernel, the following vulnerability has been resolved: mac80211: fix potential double free on mesh join While commit 6a01afcf8468 ("mac80211: mesh: Free ie data when leaving mesh") fixed a memory leak on mes…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00259 · Published 2025-02-26 · Partial fix · 4.9.309, 4.14.274 +9 CWE-415
Priority LOW 34
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE This data originates from userspace and is used in buffer offset calculations whi…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00254 · Published 2025-12-06 · Partial fix · 5.4.302, 5.10.247 +6
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect() if already established During connect(), acting on a signal/timeout by disconnecting an already established so…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00168 · Published 2025-12-04 · Partial fix · 5.4.302, 5.10.247 +6
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: cifs: fix oops during encryption When running xfstests against Azure the following oops occurred on an arm64 system Unable to handle kernel write to rea…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0011 · Published 2025-09-16 · Partial fix · 5.4.229, 5.10.163 +4
Priority LOW 24
In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping When an invalid value is passed via quirk option, currently bytcr_rt5640 driver only shows an…
CVSS — · EPSS 0.00211 · Published 2025-11-12 · Partial fix · 5.4.301, 5.10.246 +6