ALT-PU-2020-4280-1
Package kernel-image-std-def updated to version 5.4.54-alt1 for branch sisyphus in task 255520.
Closed vulnerabilities
Published: 2020-12-03
Modified: 2025-01-29
Modified: 2025-01-29
BDU:2020-05547
Уязвимость функций expand_downwards и expand_upwards (mm/mmap.c) ядра операционных систем Linux, позволяющая нарушителю вызвать отказ в обслуживании
Severity: HIGH (7.0)Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: MEDIUM (6.6)Vector: AV:L/AC:M/Au:S/C:C/I:C/A:C
References:
Published: 2020-11-28
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2020-29369
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.
Severity: MEDIUM (6.9)Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Severity: HIGH (7.0)Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
- http://www.openwall.com/lists/oss-security/2021/02/10/6
- http://www.openwall.com/lists/oss-security/2021/02/19/8
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2056
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c
- https://security.netapp.com/advisory/ntap-20210115-0001/
- http://www.openwall.com/lists/oss-security/2021/02/10/6
- http://www.openwall.com/lists/oss-security/2021/02/19/8
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2056
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c
- https://security.netapp.com/advisory/ntap-20210115-0001/