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CVE-2022-34835

Publication date 30 June 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the corruption of the return address pointer of the do_i2c_md function.

Status

Package Ubuntu Release Status
u-boot 24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Fixed 2022.01+dfsg-2ubuntu2.3
21.10 impish Ignored end of life
20.04 LTS focal
Fixed 2021.01+dfsg-3ubuntu0~20.04.5
18.04 LTS bionic
Fixed 2020.10+dfsg-1ubuntu0~18.04.3
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
u-boot

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-5764-1
    • U-Boot vulnerabilities
    • 6 December 2022

Other references