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Ubuntu: USN-4414-1 (CVE-2019-19318): Linux kernel vulnerabilities

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Ubuntu: USN-4414-1 (CVE-2019-19318): Linux kernel vulnerabilities

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
11/28/2019
Created
08/07/2020
Added
08/05/2020
Modified
03/22/2023

Description

In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in kernel/locking/rwsem.c) rwsem_owner_flags returns an already freed pointer,

Solution(s)

  • ubuntu-upgrade-linux-image-4-15-0-1046-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1048-oracle
  • ubuntu-upgrade-linux-image-4-15-0-1064-gke
  • ubuntu-upgrade-linux-image-4-15-0-1065-raspi2
  • ubuntu-upgrade-linux-image-4-15-0-1069-kvm
  • ubuntu-upgrade-linux-image-4-15-0-107-generic
  • ubuntu-upgrade-linux-image-4-15-0-107-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-107-lowlatency
  • ubuntu-upgrade-linux-image-4-15-0-1074-aws
  • ubuntu-upgrade-linux-image-4-15-0-1077-aws
  • ubuntu-upgrade-linux-image-4-15-0-1078-gcp
  • ubuntu-upgrade-linux-image-4-15-0-1081-snapdragon
  • ubuntu-upgrade-linux-image-4-15-0-109-generic
  • ubuntu-upgrade-linux-image-4-15-0-109-generic-lpae
  • ubuntu-upgrade-linux-image-4-15-0-109-lowlatency
  • ubuntu-upgrade-linux-image-4-15-0-1091-azure
  • ubuntu-upgrade-linux-image-4-15-0-1091-oem
  • ubuntu-upgrade-linux-image-aws-hwe
  • ubuntu-upgrade-linux-image-aws-lts-18-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-lts-18-04
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-18-04
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-hwe-16-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-16-04
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-gke-4-15
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-hwe-16-04
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-18-04
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-16-04

References

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