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ubuntucveUbuntu.comUB:CVE-2021-29649
HistoryMar 30, 2021 - 12:00 a.m.

CVE-2021-29649

2021-03-3000:00:00
ubuntu.com
ubuntu.com
25
linux
kernel
memory-leak

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0

Percentile

14.2%

An issue was discovered in the Linux kernel before 5.11.11. The user mode
driver (UMD) has a copy_process() memory leak, related to a lack of cleanup
steps in kernel/usermode_driver.c and
kernel/bpf/preload/bpf_preload_kern.c, aka CID-f60a85cad677.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux-oem-5.10< 5.10.0-1025.26UNKNOWN

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0

Percentile

14.2%