Bug 1969541 (CVE-2019-25045) - CVE-2019-25045 kernel: use-after-free in the XFRM subsystem related to an xfrm_state_fini() panic
Summary: CVE-2019-25045 kernel: use-after-free in the XFRM subsystem related to an xfr...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2019-25045
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1969542
Blocks: 1969544
TreeView+ depends on / blocked
 
Reported: 2021-06-08 14:52 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-06-24 18:35 UTC (History)
45 users (show)

Fixed In Version: kernel 5.1-rc1
Clone Of:
Environment:
Last Closed: 2021-06-21 15:03:57 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2021-06-08 14:52:49 UTC 
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.

Reference:
https://sites.google.com/view/syzscope/warning-in-xfrm_state_fini-2

Upstream patch:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dbb2483b2a46fbaf833cfb5deb5ed9cace9c7399
Comment 1 Guilherme de Almeida Suckevicz 2021-06-08 14:53:23 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1969542]
Comment 2 Justin M. Forbes 2021-06-08 19:09:59 UTC 
This was fixed for Fedora in the 5.0.19 stable kernel updates.
Comment 5 Product Security DevOps Team 2021-06-21 15:03:57 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-25045
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