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redhatRedHatRHSA-2022:7337
HistoryNov 02, 2022 - 4:03 p.m.

(RHSA-2022:7337) Important: kernel security and bug fix update

2022-11-0216:03:50
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370

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

0.001 Low

EPSS

Percentile

33.5%

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

Security Fix(es):

  • a use-after-free in cls_route filter implementation may lead to privilege escalation (CVE-2022-2588)

  • RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-23816, CVE-2022-29900)

  • Branch Type Confusion (non-retbleed) (CVE-2022-23825)

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

  • Intel: RetBleed Arbitrary Speculative Code Execution with Return Instructions (CVE-2022-29901)

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):

  • lpfc panics in lpfc_els_free_iocb() during port recovery (BZ#1969988)

  • mlx5 reports error messages during shutdown then panic with mce (BZ#2077711)

  • Kernel panic due to hard lockup caused by deadlock between tasklist_lock and k_itimer->it_lock (BZ#2115147)

  • fix excess double put in nfs_prime_dcache (BZ#2117856)

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

0.001 Low

EPSS

Percentile

33.5%