CVE-2020-11884

unknown

Published — · Modified —

CVSS v3

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CVSS v2

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VIR risk

—

Description

In the Linux kernel 4.19 through 5.6.7 on the s390 platform, code execution may occur because of a race condition, as demonstrated by code in enable_sacf_uaccess in arch/s390/lib/uaccess.c that fails to protect against a concurrent page table upgrade, aka CID-3f777e19d171. A crash could also occur.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-11884

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-11884.html

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`5.6.7-1`
debian	bullseye	fixed	`5.6.7-1`
debian	forky	fixed	`5.6.7-1`
debian	sid	fixed	`5.6.7-1`
debian	trixie	fixed	`5.6.7-1`

References

https://www.suse.com/security/cve/CVE-2020-11884.html
https://security-tracker.debian.org/tracker/CVE-2020-11884

Verify integrity in audit chain (admin only). AS-IS.