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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
43
linux kernel
alsa
net/ulp
s390/kexec
cve-2023-0266
cve-2023-0461
bz#2166298
bz#2166370
bz#2167642
bz#2167712
bz#2170941
bz#2172552

CVSS3

7.9

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

35.5%

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
RedHat8aarch64kernel-tools-libs< 4.18.0-305.86.2.el8_4kernel-tools-libs-4.18.0-305.86.2.el8_4.aarch64.rpm
RedHat8ppc64lekernel-debuginfo< 4.18.0-305.86.2.el8_4kernel-debuginfo-4.18.0-305.86.2.el8_4.ppc64le.rpm
RedHat8x86_64python3-perf< 4.18.0-305.86.2.el8_4python3-perf-4.18.0-305.86.2.el8_4.x86_64.rpm
RedHat8s390xkernel-debug-debuginfo< 4.18.0-305.86.2.el8_4kernel-debug-debuginfo-4.18.0-305.86.2.el8_4.s390x.rpm
RedHat8x86_64kernel-tools-libs< 4.18.0-305.86.2.el8_4kernel-tools-libs-4.18.0-305.86.2.el8_4.x86_64.rpm
RedHat8noarchkernel-abi-stablelists< 4.18.0-305.86.2.el8_4kernel-abi-stablelists-4.18.0-305.86.2.el8_4.noarch.rpm
RedHat8x86_64kernel< 4.18.0-305.86.2.el8_4kernel-4.18.0-305.86.2.el8_4.x86_64.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
RedHat8x86_64kernel-debug-debuginfo< 4.18.0-305.86.2.el8_4kernel-debug-debuginfo-4.18.0-305.86.2.el8_4.x86_64.rpm
RedHat8s390xkernel-headers< 4.18.0-305.86.2.el8_4kernel-headers-4.18.0-305.86.2.el8_4.s390x.rpm
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CVSS3

7.9

Attack Vector

ADJACENT

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

35.5%

JSON
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