CVE-2022-49680

ARM: exynos: Fix refcount leak in exynos_map_pmu

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:

ARM: exynos: Fix refcount leak in exynos_map_pmu

of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. of_node_put() checks null pointer.

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

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	fce9e5bb25264153f9f002eada41757118d25ba9 to before 545ae5cbae839ce39bfe09828e413f1c916082deAffected fce9e5bb25264153f9f002eada41757118d25ba9 to before 31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04Affected fce9e5bb25264153f9f002eada41757118d25ba9 to before 7571bcecf01b69f0d3ec60ca41ce5d4c75411a4aAffected fce9e5bb25264153f9f002eada41757118d25ba9 to before f9b77a52937582a5b99a5a07e4ef1e2f48f87347Affected fce9e5bb25264153f9f002eada41757118d25ba9 to before 68f28d52e6cbab8dcfa249cac4356d1d0573e868Affected fce9e5bb25264153f9f002eada41757118d25ba9 to before d23f76018e17618559da9eea179d137362023f95Affected fce9e5bb25264153f9f002eada41757118d25ba9 to before fc354856e9fad9cd36e2ad28f9da70716025055aAffected fce9e5bb25264153f9f002eada41757118d25ba9 to before c4c79525042a4a7df96b73477feaf232fe44ae81Affected
LinuxLinux	3.17Affected before 3.17Not affected 4.9.321 through 4.9.Not affected 4.14.286 through 4.14.Not affected 4.19.250 through 4.19.Not affected 5.4.202 through 5.4.Not affected 5.10.127 through 5.10.Not affected 5.15.51 through 5.15.Not affected 5.18.8 through 5.18.*Not affected 5.19 and laterNot affected

Product

Versions

LinuxLinux

fce9e5bb25264153f9f002eada41757118d25ba9 to before 545ae5cbae839ce39bfe09828e413f1c916082deAffected
fce9e5bb25264153f9f002eada41757118d25ba9 to before 31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04Affected
fce9e5bb25264153f9f002eada41757118d25ba9 to before 7571bcecf01b69f0d3ec60ca41ce5d4c75411a4aAffected
fce9e5bb25264153f9f002eada41757118d25ba9 to before f9b77a52937582a5b99a5a07e4ef1e2f48f87347Affected
fce9e5bb25264153f9f002eada41757118d25ba9 to before 68f28d52e6cbab8dcfa249cac4356d1d0573e868Affected
fce9e5bb25264153f9f002eada41757118d25ba9 to before d23f76018e17618559da9eea179d137362023f95Affected
fce9e5bb25264153f9f002eada41757118d25ba9 to before fc354856e9fad9cd36e2ad28f9da70716025055aAffected
fce9e5bb25264153f9f002eada41757118d25ba9 to before c4c79525042a4a7df96b73477feaf232fe44ae81Affected

LinuxLinux

3.17Affected
before 3.17Not affected
4.9.321 through 4.9.*Not affected
4.14.286 through 4.14.*Not affected
4.19.250 through 4.19.*Not affected
5.4.202 through 5.4.*Not affected
5.10.127 through 5.10.*Not affected
5.15.51 through 5.15.*Not affected
5.18.8 through 5.18.*Not affected
5.19 and laterNot affected

References

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