PoC Index

CVE-2019-19319

MEDIUM 6.5EPSS 0.7%

In the Linux kernel before 5.2, a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-out-of-bounds write access because of an ext4_xattr_set_entry use-after-free in fs/ext4/xattr.c when a large old_size value is used in a memset call, aka CID-345c0dbf3a30.

CVSS v3.1
6.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0
4.4 MEDIUMAV:L/AC:M/Au:N/C:P/I:P/A:P
EPSS
0.69% chance of exploitation in the next 30 days, 50th percentile
Published
2019-11-27
Updated
2024-08-05

Proof-of-concept exploits (1)

References

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