CVE-2022-49319

iommu/arm-smmu-v3: check return value after calling platform_get_resource()

State: Published
Severity: 5.5 Medium
Published: Feb 26, 2025
Updated: May 11, 2026
Reserved: Feb 26, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

iommu/arm-smmu-v3: check return value after calling platform_get_resource()

It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
LinuxLinux	48ec83bcbcf5090fcdf74a6168f161d247492979 to before 54c1e0e3bbcab2abe25b2874a43050ae5df87831Affected 48ec83bcbcf5090fcdf74a6168f161d247492979 to before fb0f1c5eb8d60b3e018ba7c87da249b52674ebe6Affected 48ec83bcbcf5090fcdf74a6168f161d247492979 to before db728a891f9177b044aaca89b678f6b5e24d5cc3Affected 48ec83bcbcf5090fcdf74a6168f161d247492979 to before 54cf47da0c7532d151d76e5d63f5936191698c44Affected 48ec83bcbcf5090fcdf74a6168f161d247492979 to before b131fa8c1d2afd05d0b7598621114674289c2fbbAffected
LinuxLinux	4.2Affected before 4.2Not affected 5.10.122 through 5.10.Not affected 5.15.47 through 5.15.Not affected 5.17.15 through 5.17.Not affected 5.18.4 through 5.18.Not affected 5.19 and laterNot affected

Product

Versions

LinuxLinux

48ec83bcbcf5090fcdf74a6168f161d247492979 to before 54c1e0e3bbcab2abe25b2874a43050ae5df87831Affected
48ec83bcbcf5090fcdf74a6168f161d247492979 to before fb0f1c5eb8d60b3e018ba7c87da249b52674ebe6Affected
48ec83bcbcf5090fcdf74a6168f161d247492979 to before db728a891f9177b044aaca89b678f6b5e24d5cc3Affected
48ec83bcbcf5090fcdf74a6168f161d247492979 to before 54cf47da0c7532d151d76e5d63f5936191698c44Affected
48ec83bcbcf5090fcdf74a6168f161d247492979 to before b131fa8c1d2afd05d0b7598621114674289c2fbbAffected

LinuxLinux

4.2Affected
before 4.2Not affected
5.10.122 through 5.10.*Not affected
5.15.47 through 5.15.*Not affected
5.17.15 through 5.17.*Not affected
5.18.4 through 5.18.*Not affected
5.19 and laterNot affected

References

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