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Amazon Linux AMI: CVE-2020-16119: Security patch for kernel (ALAS-2021-1539)

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Amazon Linux AMI: CVE-2020-16119: Security patch for kernel (ALAS-2021-1539)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
10/14/2020
Created
10/07/2021
Added
10/05/2021
Modified
10/05/2021

Description

Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196.

Solution(s)

  • amazon-linux-upgrade-kernel

References

  • ALAS-2021-1539
  • USN-4576-1
  • USN-4577-1
  • USN-4578-1
  • USN-4579-1
  • USN-4580-1
  • CVE-2020-16119
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