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Red Hat Security Advisory

RHSA-2023:4517

kernel security and bug fix update

Released 2023-08-08 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 8 records

TI-2022-20892 CVE-2022-42896 · GHSA-pvw8-76h2-7q32

Info Leak in l2cap_core in the Linux Kernel

Priority MEDIUM 45

There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotel…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.02462 Published 2022-11-23 Partial fix CWE-416
Priority LOW 36

A use-after-free vulnerability in the Linux Kernel Performance Events system can be exploited to achieve local privilege escalation.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0025 Published 2023-05-01 Fixed in 6.3 CWE-416
Priority LOW 35

An out-of-bounds memory access flaw was found in the Linux kernel’s XFS file system in how a user restores an XFS image after failure (with a dirty log journal).

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00487 Published 2023-05-15 Partial fix CWE-787
Priority LOW 32

In the Linux kernel, the following vulnerability has been resolved: ipmi: fix use after free in _ipmi_destroy_user() The intf_free() function frees the "intf" pointer so we cannot dereference it again on the next line.

CVSS 3.1HIGH 7.0 Local Low privileges No interaction EPSS 0.00172 Published 2025-12-09 Partial fix · 4.19.270, 5.4.229 +5
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlan_common_newlink kmemleak reports memory leaks in macvlan_common_newlink, as follows: ip link add link eth0 name…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00224 Published 2025-05-01 Partial fix · 4.9.334, 4.14.300 +6 CWE-401