VULNERABILITY

Ubuntu: (CVE-2022-49258): linux vulnerability

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Ubuntu: (CVE-2022-49258): linux vulnerability

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
02/26/2025
Created
03/20/2025
Added
03/19/2025
Modified
03/19/2025

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: ccree - Fix use after free in cc_cipher_exit() kfree_sensitive(ctx_p->user.key) will free the ctx_p->user.key. But ctx_p->user.key is still used in the next line, which will lead to a use after free. We can call kfree_sensitive() after dev_dbg() to avoid the uaf.

Solution(s)

  • ubuntu-upgrade-linux
  • ubuntu-upgrade-linux-aws
  • ubuntu-upgrade-linux-azure
  • ubuntu-upgrade-linux-azure-5-15
  • ubuntu-upgrade-linux-gcp
  • ubuntu-upgrade-linux-gke
  • ubuntu-upgrade-linux-hwe-5-15
  • ubuntu-upgrade-linux-ibm
  • ubuntu-upgrade-linux-intel-iotg
  • ubuntu-upgrade-linux-intel-iotg-5-15
  • ubuntu-upgrade-linux-kvm
  • ubuntu-upgrade-linux-lowlatency
  • ubuntu-upgrade-linux-lowlatency-hwe-5-15
  • ubuntu-upgrade-linux-oracle
  • ubuntu-upgrade-linux-raspi
  • ubuntu-upgrade-linux-realtime

References

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