CVE-2019-19319

Description

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.

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html

https://bugzilla.suse.com/show_bug.cgi?id=1158021

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=345c0dbf3a30

https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19319

https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html

https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html

https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html

https://security.netapp.com/advisory/ntap-20200103-0001/

https://usn.ubuntu.com/4391-1/

https://www.debian.org/security/2020/dsa-4698

Details

Risk Information

CVSS v2

CVSS v3