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rocky логотип

RLSA-2021:5227

Опубликовано: 21 дек. 2021
Источник: rocky
Оценка: Moderate

Описание

Moderate: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: In Overlayfs missing a check for a negative dentry before calling vfs_rename() (CVE-2021-20321)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

  • panic while breaking a lease/delegation after user mode helper invocation (BZ#2010333)

  • The ASR driver is causing a system crash in Rocky Linux8.4 compared to Rocky Linux8.3 due to kernel changes (BZ#2016384)

  • Rocky Linux8: DFS provided SMB shares are not accessible following unprivileged access (BZ#2017177)

  • Avoid hitting the rtnl_trylock/restart_syscall logic in net-sysfs when possible (BZ#2021165)

  • Rocky Linux8: x86/Kconfig: Do not enable AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT (BZ#2024678)

  • Rocky Linux8.4-[Regression][P10][DD2.0][Rainier/Denali] - system crashed while offlining and onlining cores (BZ#2026450)

Затронутые продукты

  • Rocky Linux 8

НаименованиеАрхитектураРелизRPM
bpftoolx86_64348.7.1.el8_5bpftool-4.18.0-348.7.1.el8_5.x86_64.rpm
kernelx86_64348.7.1.el8_5kernel-4.18.0-348.7.1.el8_5.x86_64.rpm
kernel-abi-stablelistsnoarch348.7.1.el8_5kernel-abi-stablelists-4.18.0-348.7.1.el8_5.noarch.rpm
kernel-abi-stablelistsnoarch348.7.1.el8_5kernel-abi-stablelists-4.18.0-348.7.1.el8_5.noarch.rpm
kernel-corex86_64348.7.1.el8_5kernel-core-4.18.0-348.7.1.el8_5.x86_64.rpm
kernel-cross-headersx86_64348.7.1.el8_5kernel-cross-headers-4.18.0-348.7.1.el8_5.x86_64.rpm
kernel-debugx86_64348.7.1.el8_5kernel-debug-4.18.0-348.7.1.el8_5.x86_64.rpm
kernel-debug-corex86_64348.7.1.el8_5kernel-debug-core-4.18.0-348.7.1.el8_5.x86_64.rpm
kernel-debug-develx86_64348.7.1.el8_5kernel-debug-devel-4.18.0-348.7.1.el8_5.x86_64.rpm
kernel-debuginfo-common-x86_64x86_64348.7.1.el8_5kernel-debuginfo-common-x86_64-4.18.0-348.7.1.el8_5.x86_64.rpm

Показывать по

Связанные CVE

CVE-2021-20321

Ссылки на источники

Исправления

Связанные уязвимости

ubuntu логотип

CVE-2021-20321

CVSS3: 4.7
ubuntu
почти 4 года назад

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.

redhat логотип

CVE-2021-20321

CVSS3: 5.5
redhat
около 4 лет назад

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.

nvd логотип

CVE-2021-20321

CVSS3: 4.7
nvd
почти 4 года назад

A race condition accessing file object in the Linux kernel OverlayFS subsystem was found in the way users do rename in specific way with OverlayFS. A local user could use this flaw to crash the system.

msrc логотип

CVE-2021-20321

CVSS3: 4.7
msrc
почти 4 года назад

Описание отсутствует

debian логотип

CVE-2021-20321

CVSS3: 4.7
debian
почти 4 года назад

A race condition accessing file object in the Linux kernel OverlayFS s ...