vulnerability
Ubuntu: (Multiple Advisories) (CVE-2019-19318): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:N/I:N/A:P) | Nov 28, 2019 | Aug 5, 2020 | Aug 18, 2025 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
Nov 28, 2019
Added
Aug 5, 2020
Modified
Aug 18, 2025
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,
Solutions
ubuntu-upgrade-linux-image-4-15-0-1046-oracleubuntu-upgrade-linux-image-4-15-0-1048-oracleubuntu-upgrade-linux-image-4-15-0-1064-gkeubuntu-upgrade-linux-image-4-15-0-1065-raspi2ubuntu-upgrade-linux-image-4-15-0-1069-kvmubuntu-upgrade-linux-image-4-15-0-107-genericubuntu-upgrade-linux-image-4-15-0-107-generic-lpaeubuntu-upgrade-linux-image-4-15-0-107-lowlatencyubuntu-upgrade-linux-image-4-15-0-1074-awsubuntu-upgrade-linux-image-4-15-0-1077-awsubuntu-upgrade-linux-image-4-15-0-1078-gcpubuntu-upgrade-linux-image-4-15-0-1081-snapdragonubuntu-upgrade-linux-image-4-15-0-109-genericubuntu-upgrade-linux-image-4-15-0-109-generic-lpaeubuntu-upgrade-linux-image-4-15-0-109-lowlatencyubuntu-upgrade-linux-image-4-15-0-1091-azureubuntu-upgrade-linux-image-4-15-0-1091-oemubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-18-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-4-15ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04
References
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