Bug 2294289 (CVE-2021-4440) - CVE-2021-4440 kernel: x86/xen: Drop USERGS_SYSRET64 paravirt call
Summary: CVE-2021-4440 kernel: x86/xen: Drop USERGS_SYSRET64 paravirt call
Keywords:
Status: NEW
Alias: CVE-2021-4440
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2294290
Blocks: 2294292
TreeView+ depends on / blocked
 
Reported: 2024-06-25 20:07 UTC by Pedro Sampaio
Modified: 2024-07-31 01:33 UTC (History)
6 users (show)

Fixed In Version: kernel 5.10.218
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Description Pedro Sampaio 2024-06-25 20:07:12 UTC 
In the Linux kernel, the following vulnerability has been resolved:

x86/xen: Drop USERGS_SYSRET64 paravirt call

The Linux kernel CVE team has assigned CVE-2021-4440 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024062506-CVE-2021-4440-f8f1@gregkh/T
Comment 1 Pedro Sampaio 2024-06-25 20:07:30 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2294290]
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