Red Hat Security AdvisoryRHSA-2026:52649
kernel security update
Released 2026-08-10 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.158.1.el8_8, kernel-4.18.0-477.158.1.el8_8, kernel-abi-stablelists-4.18.0-477.158.1.el8_8 +14
- Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.158.1.el8_8, kernel-4.18.0-477.158.1.el8_8, kernel-abi-stablelists-4.18.0-477.158.1.el8_8 +14
Fixes 6 records
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 MEDIUM 40
In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath When cifs_sanitize_prepath is called with an empty string or a string containing only del…
CVSS 3.1HIGH 8.8· Network · No auth · User interaction · EPSS 0.00352 · Published 2026-05-06 · Partial fix · 5.15.209, 6.1.175 +5 CWE-125
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: ipc: limit next_id allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids->next_id.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00215 · Published 2026-06-24 · Partial fix · 5.10.259, 5.15.210 +6 CWE-20
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: 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
Priority LOW 32
In the Linux kernel, the following vulnerability has been resolved: selinux: fix overlayfs mmap() and mprotect() access checks The existing SELinux security model for overlayfs is to allow access if the current task is a…
CVSS 3.1HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.00123 · Published 2026-05-27 · Partial fix · 6.6.144, 6.12.95 +3 CWE-862