CVE-2023-35788

2023-06-1600:00:00

ubuntu.com

cve-2023-35788

linux kernel

flower classifier

out-of-bounds write

denial of service

privilege escalation

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

19.2%

JSON

An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in
the Linux kernel before 6.3.7. It allows an out-of-bounds write in the
flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may
result in denial of service or privilege escalation.

Bugs

<https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2023577>

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-153.170UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-76.83UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-46.47UNKNOWN
ubuntu23.04noarchlinux< 6.2.0-24.24UNKNOWN
ubuntu22.10noarchlinux-allwinner< 5.19.0-1015.15UNKNOWN
ubuntu22.04noarchlinux-allwinner-5.19< 5.19.0-1015.15~22.04.1UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1105.113UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1039.44UNKNOWN
ubuntu22.10noarchlinux-aws< 5.19.0-1028.29UNKNOWN
ubuntu23.04noarchlinux-aws< 6.2.0-1006.6UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	linux	< 5.4.0-153.170	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-76.83	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-46.47	UNKNOWN
ubuntu	23.04	noarch	linux	< 6.2.0-24.24	UNKNOWN
ubuntu	22.10	noarch	linux-allwinner	< 5.19.0-1015.15	UNKNOWN
ubuntu	22.04	noarch	linux-allwinner-5.19	< 5.19.0-1015.15~22.04.1	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1105.113	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1039.44	UNKNOWN
ubuntu	22.10	noarch	linux-aws	< 5.19.0-1028.29	UNKNOWN
ubuntu	23.04	noarch	linux-aws	< 6.2.0-1006.6	UNKNOWN