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redhatRedHatRHSA-2023:4021
HistoryJul 11, 2023 - 7:38 a.m.

(RHSA-2023:4021) Important: kernel security and bug fix update

2023-07-1107:38:40
access.redhat.com
11

7.1 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

13.3%

JSON

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

Security Fix(es):

  • kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)

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):

  • The iscsi target deadlocks when the same host acts as an initiator to itself (i.e. connects via 127.0.0.1) (BZ#2183541)

  • Double free issue in filelayout_alloc_commit_info (BZ#2212878)

  • RHEL 7.2: XFS inode cluster corruption [rhel-7.9.z] (BZ#2213361)

OSVersionArchitecturePackageVersionFilename
RedHat7x86_64kernel< 3.10.0-957.104.1.el7kernel-3.10.0-957.104.1.el7.x86_64.rpm
RedHat7x86_64kernel-headers< 3.10.0-957.104.1.el7kernel-headers-3.10.0-957.104.1.el7.x86_64.rpm
RedHat7x86_64perf-debuginfo< 3.10.0-957.104.1.el7perf-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm
RedHat7x86_64python-perf-debuginfo< 3.10.0-957.104.1.el7python-perf-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm
RedHat7x86_64kernel-tools-libs< 3.10.0-957.104.1.el7kernel-tools-libs-3.10.0-957.104.1.el7.x86_64.rpm
RedHat7x86_64kernel-tools< 3.10.0-957.104.1.el7kernel-tools-3.10.0-957.104.1.el7.x86_64.rpm
RedHat7x86_64kernel-devel< 3.10.0-957.104.1.el7kernel-devel-3.10.0-957.104.1.el7.x86_64.rpm
RedHat7x86_64kernel-debug-debuginfo< 3.10.0-957.104.1.el7kernel-debug-debuginfo-3.10.0-957.104.1.el7.x86_64.rpm
RedHat7x86_64python-perf< 3.10.0-957.104.1.el7python-perf-3.10.0-957.104.1.el7.x86_64.rpm
RedHat7noarchkernel-doc< 3.10.0-957.104.1.el7kernel-doc-3.10.0-957.104.1.el7.noarch.rpm
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7.1 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

13.3%

JSON
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