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Red Hat: CVE-2022-42896: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (Multiple Advisories)

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Red Hat: CVE-2022-42896: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
11/23/2022
Created
05/15/2023
Added
05/15/2023
Modified
05/01/2024

Description

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) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit  https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2022-42896
  • RHSA-2023:2148
  • RHSA-2023:2458
  • RHSA-2023:4137
  • RHSA-2023:4138
  • RHSA-2023:4230
  • RHSA-2023:4517
  • RHSA-2023:4531
  • RHSA-2023:4541
  • RHSA-2023:4789
  • RHSA-2023:4888
  • RHSA-2024:1249
  • RHSA-2024:1323
  • RHSA-2024:1332
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