Medium severity5.5NVD Advisory· Published Sep 3, 2020· Updated Jun 17, 2026
CVE-2020-24863
CVE-2020-24863
Description
A memory corruption vulnerability was found in the kernel function kern_getfsstat in MidnightBSD before 1.2.7 and 1.3 through 2020-08-19, and FreeBSD through 11.4, that allows an attacker to trigger an invalid free and crash the system via a crafted size value in conjunction with an invalid mode.
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Affected products
4cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:midnightbsd:midnightbsd:*:*:*:*:*:*:*:*range: <1.2.7
- (no CPE)range: <1.2.7, 1.3 through 2020-08-19
Patches
Vulnerability mechanics
References
4- www.freebsd.org/security/advisories/FreeBSD-EN-20:18.getfsstat.ascnvdPatchVendor Advisory
- www.midnightbsd.org/security/adv/MIDNIGHTBSD-SA-20:01.txtnvdExploitVendor Advisory
- github.com/MidnightBSD/src/blob/1691c07ff4f27b97220a5d65e217341e477f4014/sys/kern/vfs_syscalls.cnvdExploitThird Party Advisory
- www.midnightbsd.org/notes/nvdRelease NotesVendor Advisory
News mentions
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