Description

An issue was discovered in the Linux kernel before 5.0.19. There is an out-of-bounds array access in __xfrm_policy_unlink, which will cause denial of service, because verify_newpolicy_info in net/xfrm/xfrm_user.c mishandles directory validation.

References

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.19

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b805d78d300bcf2c83d6df7da0c818b0fee41427

https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html

https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html

https://security.netapp.com/advisory/ntap-20191004-0001/

https://support.f5.com/csp/article/K53420251?utm_source=f5support&utm_medium=RSS

Details

Risk Information

CVSS v2

CVSS v3