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redhatRedHatRHSA-2024:1746
HistoryApr 10, 2024 - 7:51 a.m.

(RHSA-2024:1746) Important: kernel security update

2024-04-1007:51:22
access.redhat.com
12
kernel
security update
use-after-free
l2cap_connect
sch_hfsc
unauthorized management command execution
bluetooth

8.8 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

5.8 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

46.0%

JSON

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

Security Fix(es):

  • kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896)

  • kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

  • Kernel: bluetooth: Unauthorized management command execution (CVE-2023-2002)

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.

OSVersionArchitecturePackageVersionFilename
RedHat7x86_64python-perf-debuginfo< 3.10.0-1062.87.1.el7python-perf-debuginfo-3.10.0-1062.87.1.el7.x86_64.rpm
RedHat7x86_64kernel-tools-libs-devel< 3.10.0-1062.87.1.el7kernel-tools-libs-devel-3.10.0-1062.87.1.el7.x86_64.rpm
RedHat7x86_64kernel-headers< 3.10.0-1062.87.1.el7kernel-headers-3.10.0-1062.87.1.el7.x86_64.rpm
RedHat7x86_64kernel-tools-libs< 3.10.0-1062.87.1.el7kernel-tools-libs-3.10.0-1062.87.1.el7.x86_64.rpm
RedHat7x86_64kernel-debug-debuginfo< 3.10.0-1062.87.1.el7kernel-debug-debuginfo-3.10.0-1062.87.1.el7.x86_64.rpm
RedHat7noarchkernel-doc< 3.10.0-1062.87.1.el7kernel-doc-3.10.0-1062.87.1.el7.noarch.rpm
RedHat7x86_64bpftool< 3.10.0-1062.87.1.el7bpftool-3.10.0-1062.87.1.el7.x86_64.rpm
RedHat7x86_64bpftool-debuginfo< 3.10.0-1062.87.1.el7bpftool-debuginfo-3.10.0-1062.87.1.el7.x86_64.rpm
RedHat7x86_64kernel-debuginfo< 3.10.0-1062.87.1.el7kernel-debuginfo-3.10.0-1062.87.1.el7.x86_64.rpm
RedHat7x86_64kernel-devel< 3.10.0-1062.87.1.el7kernel-devel-3.10.0-1062.87.1.el7.x86_64.rpm
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8.8 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

5.8 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

46.0%

JSON
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