PUB-A-191191823

vendorUSosv

view advisory published 2021-10-01Licence: per source

In xfrm_state_fini and related functions of xfrm_state.c and related files, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2019-25045US	high7.8	0.50% (43rd)	—	2021-06-07
An issue was discovered in the Linux kernel before 5.0.19. The XFRM subsystem has a use-after-free, related to an xfrm_state_fini panic, aka CID-dbb2483b2a46.

references

External citations — patches, advisories, analysis.

https://android.googlesource.com/kernel/common/+/dbb2483b2a46fbaf833cfb5deb5ed9cace9c7399FIX
https://source.android.com/security/bulletin/2021-10-01ADVISORY

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