CLSA-2023-1690395540 Fix of 12 CVEs

Bionic update: upstream stable patchset 2021-11-12 LP: 1950816 // CVE- url: https://ubuntu.com/security/CVE-2021-20321 - ovl: fix missing negative dentry check in ovlrename CVE-url: https://ubuntu.com/security/CVE-2021-20321 - ovl: cleanup unused var in rename2 Jammy update: v5.15.93 upstream...

CLSA-2023-1690395161 Fix of 12 CVEs

Bionic update: upstream stable patchset 2021-11-12 LP: 1950816 // CVE- url: https://ubuntu.com/security/CVE-2021-20321 - ovl: fix missing negative dentry check in ovlrename CVE-url: https://ubuntu.com/security/CVE-2021-20321 - ovl: cleanup unused var in rename2 Jammy update: v5.15.93 upstream...

Important: kernel

Issue Overview: A flaw was found in the x86 KVM subsystem in kvmstealtimesetpreempted in arch/x86/kvm/x86.c in the Linux kernel. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVMVCPUPREEMPTED situations. CVE-2022-39189 In the Linux...

A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().

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SUSE CVE-2023-3111

A use after free vulnerability was found in preparetorelocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfsioctlbalance before calling btrfsioctldefrag...

DEBIAN-CVE-2023-3111

A use after free vulnerability was found in preparetorelocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfsioctlbalance before calling btrfsioctldefrag...

UBUNTU-CVE-2023-3111

A use after free vulnerability was found in preparetorelocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfsioctlbalance before calling btrfsioctldefrag...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. The Linux kernel suffers from a memory misreference vulnerability that originates from a mix-up in the instructions responsible for freeing memory in the preparetorelocate...

SUSE CVE-2018-14609

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in delrelocroot in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rbtrees when reloc control has not been initialized...

Unbreakable Enterprise kernel security update

2.6.39-400.306.1 - ext4: validate that metadata blocks do not overlap superblock Theodore Ts'o Orabug: 28220576 CVE-2018-1094 - Provide a NLMF flag void dumping inet/inet6 stats in rtnlifinfo Manish Kumar Singh Orabug: 28318718 - btrfs: relocation: Only remove reloc rbtrees if reloc control has...

Unbreakable Enterprise kernel security update

kernel-uek 3.8.13-118.30.1 - ext4: validate that metadata blocks do not overlap superblock Theodore Ts'o Orabug: 28220451 CVE-2018-1094 - ext4: always initialize the crc32c checksum driver Theodore Ts'o Orabug: 28220451 CVE-2018-1094 CVE-2018-1094 - vfs: Add sbrdonlysb to query the MSRDONLY flag ...

UBUNTU-CVE-2018-14609

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in delrelocroot in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rbtrees when reloc control has not been initialized...