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redhatRedHatRHSA-2023:0440
HistoryJan 24, 2023 - 2:01 p.m.

(RHSA-2023:0440) Important: kernel security and bug fix update

2023-01-2414:01:08
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12

7.8 High

CVSS3

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

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

13.1%

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

Security Fix(es):

  • kernel: i915: Incorrect GPU TLB flush can lead to random memory access (CVE-2022-4139)

  • hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions (CVE-2022-26373)

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):

  • Azure: Sometimes newly deployed VMs are not getting accelerated network during provisioning (BZ#2155273)

  • Azure: VM Deployment Failures Patch Request (BZ#2155281)

7.8 High

CVSS3

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

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

13.1%