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cvelistMitreCVELIST:CVE-2019-19039
HistoryNov 21, 2019 - 1:40 a.m.

CVE-2019-19039

2019-11-2101:40:53
mitre
www.cve.org

5.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.8%

__btrfs_free_extent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfs_print_leaf in a certain ENOENT case, which allows local users to obtain potentially sensitive information about register values via the dmesg program. NOTE: The BTRFS development team disputes this issues as not being a vulnerability because β€œ1) The kernel provide facilities to restrict access to dmesg - dmesg_restrict=1 sysctl option. So it’s really up to the system administrator to judge whether dmesg access shall be disallowed or not. 2) WARN/WARN_ON are widely used macros in the linux kernel. If this CVE is considered valid this would mean there are literally thousands CVE lurking in the kernel - something which clearly is not the case.

5.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.8%