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redhatRedHatRHSA-2022:6741
HistorySep 28, 2022 - 2:42 p.m.

(RHSA-2022:6741) Important: kernel security and bug fix update

2022-09-2814:42:43
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20
rhsa-2022-6741
linux kernel
privilege escalation
cve-2022-1729
posix acl
bug fix
bz#2106586
netfilter
bz#2120634

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0

Percentile

15.7%

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

Security Fix(es):

  • kernel: race condition in perf_event_open leads to privilege escalation (CVE-2022-1729)

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):

  • Posix ACL object is leaked in several places upon setattr and fsetxattr syscalls (BZ#2106586)

  • netfilter: backports from upstream (BZ#2120634)

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0

Percentile

15.7%