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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:267229
Version
1
Class
vulnerability
ALTXid
500502
Language
Russian
Severity
High
Title
Sber -- уязвимость в kernel (CVE-2022-42896)
Description
There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim.
We recommend upgrading past commit https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url; A use-after-free flaw was found in the Linux kernel's implementation of logical link control and adaptation protocol (L2CAP), part of the Bluetooth stack in the l2cap_connect and l2cap_le_connect_req functions. An attacker with physical access within the range of standard Bluetooth transmission could execute code leaking kernel memory via Bluetooth if within proximity of the victim.
Family
unix
Platform
SberLinux 8
Product
kernel
Reference
CVE: CVE-2022-42896
CVE: CVE-2022-42896
Id:
CVE-2022-42896
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42896
Comment
: There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url
CVSSv3 Score:
8.8
Attack vector:
ADJACENT
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
https://kernel.dance/#711f8c3fb3db61897080468586b970c87c61d9e4 (MISC)
https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 (MISC)
VENDOR: RHSA-2023:4517
VENDOR: RHSA-2023:4517
Id:
RHSA-2023:4517
Reference:
https://access.redhat.com/errata/RHSA-2023:4517
VENDOR: RHSA-2023:4531
VENDOR: RHSA-2023:4531
Id:
RHSA-2023:4531
Reference:
https://access.redhat.com/errata/RHSA-2023:4531
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