ALT-PU-2020-2477-1

Package update kernel-image-un-def in branch sisyphus

Version5.7.11-alt1

Published2020-07-29

Max severityHIGH

Severity:

Closed issues (2)

HIGH7.0

Уязвимость функций expand_downwards и expand_upwards (mm/mmap.c) ядра операционных систем Linux, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2020-12-03Modified: 2025-01-29

CVSS 3.xHIGH 7.0

CVSS:3.x/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0MEDIUM 6.6

CVSS:2.0/AV:L/AC:M/Au:S/C:C/I:C/A:C

References

CVE-2020-29369

HIGH7.0

An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe.

Published: 2020-11-28Modified: 2024-11-21

CVSS 2.0MEDIUM 6.9

CVSS:2.0/AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS 3.xHIGH 7.0

CVSS:3.x/CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References