Red Hat Security AdvisoryRHSA-2026:3277
kernel security update
Released 2026-02-25 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.130.1.el8_8, kernel-4.18.0-477.130.1.el8_8, kernel-abi-stablelists-4.18.0-477.130.1.el8_8 +14
- Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.130.1.el8_8, kernel-4.18.0-477.130.1.el8_8, kernel-abi-stablelists-4.18.0-477.130.1.el8_8 +14
Fixes 10 records
Priority MEDIUM 40
In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.
CVSS 3.1CRITICAL 9.4· Network · No auth · No interaction · EPSS 0.00347 · Published 2025-10-04 · Partial fix · 6.1.191, 6.6.160 +3
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: net/sched: Enforce that teql can only be used as root qdisc Design intent of teql is that it is only supposed to be used as root qdisc.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.0019 · Published 2026-02-04 · Fixed in 5.10.249, 5.15.199 +5 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in proc_readdir_de() Pde is erased from subdir rbtree through rb_erase(), but not set the node to EMPTY, which may result in uaf access…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00488 · Published 2025-12-06 · Partial fix · 5.4.302, 5.10.247 +6
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix infinite recursive call of clip_push().
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00205 · Published 2025-07-25 · Partial fix · 5.4.296, 5.10.240 +6 CWE-674
Priority LOW 34
In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid Fixes a crash when layout is null during this call stack: write_inode -> nfs4…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00712 · Published 2025-12-24 · Partial fix · 5.10.248, 5.15.198 +6
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: Squashfs: check return result of sb_min_blocksize Syzkaller reports an "UBSAN: shift-out-of-bounds in squashfs_bio_read" bug.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00225 · Published 2025-07-25 · Partial fix · 5.4.295, 5.10.239 +6 CWE-787
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: tcp: fix a signed-integer-overflow bug in tcp_add_backlog() The type of sk_rcvbuf and sk_sndbuf in struct sock is int, and in tcp_add_backlog(), the var…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00528 · Published 2025-12-30 · Partial fix · 5.4.278, 5.10.153 +3
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in ext4_orphan_cleanup I caught a issue as follows: ================================================================== BUG: KAS…
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.00209 · Published 2025-12-09 · Partial fix · 4.19.270, 5.4.229 +5
Priority LOW 30
In the Linux kernel, the following vulnerability has been resolved: usb: core: config: Prevent OOB read in SS endpoint companion parsing usb_parse_ss_endpoint_companion() checks descriptor type before length, enabling a…
CVSS 3.1HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.00179 · Published 2025-09-11 · Partial fix · 5.10.241, 5.15.190 +6 CWE-125
Priority LOW 22
In the Linux kernel, the following vulnerability has been resolved: ip6_vti: fix slab-use-after-free in decode_session6 When ipv6_vti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modifi…
CVSS — · EPSS 0.00257 · Published 2025-12-09 · Partial fix · 4.14.324, 4.19.293 +6