CVE-2023-28772

2023-03-2300:00:00

ubuntu.com

linux kernel

5.13.3

seq_buf_putmem_hex

buffer overflow

CVSS3

6.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

19.1%

JSON

An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c
has a seq_buf_putmem_hex buffer overflow.

Notes

Author	Note
cascardo	there is no current seq_buf_putmem_hex user with exploitable input

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-156.163UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-84.94UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1111.118UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1056.59UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1056.59~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1111.118~16.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1058.60UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1123.136~14.04.1UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1123.136~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure-4.15< 4.15.0-1123.136UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-156.163	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-84.94	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1111.118	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1056.59	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1056.59~18.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-aws-hwe	< 4.15.0-1111.118~16.04.1	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< 5.4.0-1058.60	UNKNOWN
ubuntu	14.04	noarch	linux-azure	< 4.15.0-1123.136~14.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-azure	< 4.15.0-1123.136~16.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-azure-4.15	< 4.15.0-1123.136	UNKNOWN