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redhatRedHatRHSA-2024:1840
HistoryApr 16, 2024 - 2:32 p.m.

(RHSA-2024:1840) Moderate: kernel-rt security update

2024-04-1614:32:07
access.redhat.com
20
kernel-rt
real time linux kernel
ext4
perf_read_group
security update

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.4

Confidence

Low

EPSS

0

Percentile

10.1%

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • kernel: ext4: kernel bug in ext4_write_inline_data_end() (CVE-2021-33631)

  • kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event’s read_size (CVE-2023-6931)

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.

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.4

Confidence

Low

EPSS

0

Percentile

10.1%