ID CVE-2019-19813
Summary In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in __mutex_lock in kernel/locking/mutex.c. This is related to mutex_can_spin_on_owner in kernel/locking/mutex.c, __btrfs_qgroup_free_meta in fs/btrfs/qgroup.c, and btrfs_insert_delayed_items in fs/btrfs/delayed-inode.c.
References
Vulnerable Configurations
  • cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.0.21:*:*:*:*:*:*:*
CVSS
Base: 7.1 (as of 28-09-2020 - 16:15)
Impact:
Exploitability:
CWE CWE-416
CAPEC
Access
VectorComplexityAuthentication
NETWORK MEDIUM NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE COMPLETE
cvss-vector via4 AV:N/AC:M/Au:N/C:N/I:N/A:C
refmap via4
confirm https://security.netapp.com/advisory/ntap-20200103-0001/
misc https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19813
mlist [debian-lts-announce] 20200928 [SECURITY] [DLA 2385-1] linux-4.19 security update
ubuntu USN-4414-1
Last major update 28-09-2020 - 16:15
Published 17-12-2019 - 06:15
Last modified 28-09-2020 - 16:15
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