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redhatRedHatRHSA-2023:1557
HistoryApr 04, 2023 - 6:31 a.m.

(RHSA-2023:1557) Important: kernel security and bug fix update

2023-04-0406:31:02
access.redhat.com
31

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

40.2%

JSON

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

Security Fix(es):

  • ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)

  • kernel: net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461)

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):

  • RHEL8.4 - s390/kexec: fix ipl report address for kdump (BZ#2166298)

  • Windows Server 2019 guest randomly pauses with “KVM: entry failed, hardware error 0x80000021” (BZ#2166370)

  • net/mlx5e: Fix use-after-free when reverting termination table (BZ#2167642)

  • net/ice: OP_SET_RSS_HENA command not supported with in-tree driver (BZ#2167712)

  • Backport Request for locking/rwsem commits (BZ#2170941)

  • ipv6 traffic stop when an sriov vf have ipv6 address (BZ#2172552)

OSVersionArchitecturePackageVersionFilename
RedHat8ppc64lekernel< 4.18.0-305.86.2.el8_4kernel-4.18.0-305.86.2.el8_4.ppc64le.rpm
RedHat8aarch64kernel-tools-libs-devel< 4.18.0-305.86.2.el8_4kernel-tools-libs-devel-4.18.0-305.86.2.el8_4.aarch64.rpm
RedHat8aarch64python3-perf< 4.18.0-305.86.2.el8_4python3-perf-4.18.0-305.86.2.el8_4.aarch64.rpm
RedHat8x86_64python3-perf-debuginfo< 4.18.0-305.86.2.el8_4python3-perf-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
RedHat8ppc64lekernel-core< 4.18.0-305.86.2.el8_4kernel-core-4.18.0-305.86.2.el8_4.ppc64le.rpm
RedHat8x86_64kernel< 4.18.0-305.86.2.el8_4kernel-4.18.0-305.86.2.el8_4.x86_64.rpm
RedHat8aarch64kernel-modules-extra< 4.18.0-305.86.2.el8_4kernel-modules-extra-4.18.0-305.86.2.el8_4.aarch64.rpm
RedHat8aarch64kernel-debug-devel< 4.18.0-305.86.2.el8_4kernel-debug-devel-4.18.0-305.86.2.el8_4.aarch64.rpm
RedHat8x86_64kernel-debuginfo< 4.18.0-305.86.2.el8_4kernel-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
RedHat8aarch64kernel-debug-modules-extra< 4.18.0-305.86.2.el8_4kernel-debug-modules-extra-4.18.0-305.86.2.el8_4.aarch64.rpm
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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

40.2%

JSON
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