kernel: Fix of 8 CVEs

rtmutex: Use waiter::task instead of current in removewaiter CVE-2026-43499 - xfs: fix freemap adjustments when adding xattrs to leaf blocks CVE-2026-43158 - xfs: delete attr leaf freemap entries when empty CVE-2026-43158 - ALSA: 6fire: fix use-after-free on disconnect CVE-2026-31581 - brcmfmac:...

Linux Kernel 'xfs_attr.c' Local Denial of Service Vulnerability

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in versions of Linux kernel prior to 4.17. A local attacker could exploit the vulnerability to cause file system corruption...

Linux kernel OOPS null pointer reference vulnerability

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the file s/xfs/libxfs/xfsattrleaf.c in Linux kernel version 4.17.3 and earlier. An attacker can exploit this vulnerability to cause...