All errata/sisyphus/ALT-PU-2020-2757-2
ALT-PU-2020-2757-2

Package update kernel-image-mp in branch sisyphus

Version5.8.8-alt1
Task#257834
Published2026-02-04
Max severityHIGH
Severity:

Closed issues (9)

BDU:2020-05635
MEDIUM6.4

Уязвимость утилиты sysctl hugetlbl операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании или повышение привилегий

Published: 2020-12-11Modified: 2024-06-18
CVSS 3.xMEDIUM 6.4
CVSS:3.x/AV:L/AC:H/PR:H/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
BDU:2021-03394
HIGH7.8

Уязвимость компонента net/packet/af_packet.c ядра операционной системы Linux, связанная с выходом операции за допустимые границы буфера данных, позволяющая нарушителю получить доступ к конфиденциальной информации или вызвать отказ в обслуживании

Published: 2021-07-06Modified: 2024-09-16
CVSS 3.xHIGH 7.8
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0MEDIUM 6.8
CVSS:2.0/AV:L/AC:L/Au:S/C:C/I:C/A:C
References
BDU:2023-05906
LOW3.3

Уязвимость компонента drivers/media/cec/core/cec-api.c ядра операционных систем Linux, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2023-09-21
CVSS 3.xLOW 3.3
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0LOW 1.7
CVSS:2.0/AV:L/AC:L/Au:S/C:P/I:N/A:N
References
CVE-2020-14386
HIGH7.8

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

Published: 2020-09-16Modified: 2024-11-21
CVSS 2.0HIGH 7.2
CVSS:2.0/AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS 3.xHIGH 7.8
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
CVE-2020-25211
MEDIUM6.0

In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.

Published: 2020-09-09Modified: 2024-11-21
CVSS 2.0LOW 3.6
CVSS:2.0/AV:L/AC:L/Au:N/C:N/I:P/A:P
CVSS 3.xMEDIUM 6.0
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
References
CVE-2020-25221
HIGH7.8

get_gate_page in mm/gup.c in the Linux kernel 5.7.x and 5.8.x before 5.8.7 allows privilege escalation because of incorrect reference counting (caused by gate page mishandling) of the struct page that backs the vsyscall page. The result is a refcount underflow. This can be triggered by any 64-bit process that can use ptrace() or process_vm_readv(), aka CID-9fa2dd946743.

Published: 2020-09-10Modified: 2024-11-21
CVSS 2.0HIGH 7.2
CVSS:2.0/AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS 3.xHIGH 7.8
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
CVE-2020-25285
MEDIUM6.4

A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.

Published: 2020-09-13Modified: 2024-11-21
CVSS 2.0MEDIUM 4.4
CVSS:2.0/AV:L/AC:M/Au:N/C:P/I:P/A:P
CVSS 3.xMEDIUM 6.4
CVSS:3.x/CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
References
CVE-2020-36766
LOW3.3

An issue was discovered in the Linux kernel before 5.8.6. drivers/media/cec/core/cec-api.c leaks one byte of kernel memory on specific hardware to unprivileged users, because of directly assigning log_addrs with a hole in the struct.

Published: 2023-09-18Modified: 2024-11-21
CVSS 3.xLOW 3.3
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References