Linux Kernel up to 5.17.14/5.18.3 amdgpu dm_dmub_outbox1_low_irq off-by-one

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel up to 5.17.14/5.18.3 and classified as problematic. The affected element is the function dm_dmub_outbox1_low_irq of the component amdgpu. This manipulation causes off-by-one. The identification of this vulnerability is CVE-2022-49365. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 5.17.14/5.18.3. Affected by this vulnerability is the function dm_dmub_outbox1_low_irq of the component amdgpu. The manipulation with an unknown input leads to a off-by-one vulnerability. The CWE definition for the vulnerability is CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq() The > ARRAY_SIZE() should be >= ARRAY_SIZE() to prevent an out of bounds access.

The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2022-49365 since 02/26/2025. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/15/2025).

Upgrading to version 5.17.15 or 5.18.4 eliminates this vulnerability. Applying the patch ec9ec3bc08b18c5b1b2feafd306ea7c348013898/b0808b7a04157b3f56e919f27023fec37a075fad/607c5cd1a08e196d9f2bd3b25a8083ed27ad7ceb/a35faec3db0e13aac8ea720bc1a3503081dd5a3d is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Off-by-one
CWE: CWE-193 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.17.15/5.18.4
Patch: ec9ec3bc08b18c5b1b2feafd306ea7c348013898/b0808b7a04157b3f56e919f27023fec37a075fad/607c5cd1a08e196d9f2bd3b25a8083ed27ad7ceb/a35faec3db0e13aac8ea720bc1a3503081dd5a3d

Timelineinfo

02/26/2025 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍
04/15/2025 +48 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49365 (🔍)
GCVE (CVE): GCVE-0-2022-49365
GCVE (VulDB): GCVE-100-296929

Entryinfo

Created: 02/26/2025 08:29
Updated: 04/15/2025 10:11
Changes: 02/26/2025 08:29 (58), 04/15/2025 10:11 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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