CVE-2022-50724: regulator: core: fix resource leak in regulator_register()

Deferred
AliasesUBUNTU-CVE-2022-50724DEBIAN-CVE-2022-50724
Published 24-12-2025Last modified 23-05-2026

Vulnerability summary

CVE-2022-50724 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 18.1% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 4
RHSA-2023:6583SUSE-SU-2026:0263-1SUSE-SU-2026:0317-1SUSE-SU-2026:0411-1SUSE-SU-2026:0617-1

Timeline

  1. 24-12-2025
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: regulator: core: fix resource leak in regulator_register() I got some resource leak reports while doing fault injection test: OF: ERROR: memory leak, expected refcount 1 instead of 100, of_node_get()/of_node_put() unbalanced - destroy cset entry: attach overlay node /i2c/pmic@64/regulators/buck1 unreferenced object 0xffff88810deea000 (size 512): comm "490-i2c-rt5190a", pid 253, jiffies 4294859840 (age 5061.046s) hex dump (first 32 bytes): 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N.......... ff ff ff ff ff ff ff ff a0 1e 00 a1 ff ff ff ff ................ backtrace: [<00000000d78541e2>] kmalloc_trace+0x21/0x110 [<00000000b343d153>] device_private_init+0x32/0xd0 [<00000000be1f0c70>] device_add+0xb2d/0x1030 [<00000000e3e6344d>] regulator_register+0xaf2/0x12a0 [<00000000e2f5e754>] devm_regulator_register+0x57/0xb0 [<000000008b898197>] rt5190a_probe+0x52a/0x861 [rt5190a_regulator] unreferenced object 0xffff88810b617b80 (size 32): comm "490-i2c-rt5190a", pid 253, jiffies 4294859904 (age 5060.983s) hex dump (first 32 bytes): 72 65 67 75 6c 61 74 6f 72 2e 32 38 36 38 2d 53 regulator.2868-S 55 50 50 4c 59 00 ff ff 29 00 00 00 2b 00 00 00 UPPLY...)...+... backtrace: [<000000009da9280d>] __kmalloc_node_track_caller+0x44/0x1b0 [<0000000025c6a4e5>] kstrdup+0x3a/0x70 [<00000000790efb69>] create_regulator+0xc0/0x4e0 [<0000000005ed203a>] regulator_resolve_supply+0x2d4/0x440 [<0000000045796214>] regulator_register+0x10b3/0x12a0 [<00000000e2f5e754>] devm_regulator_register+0x57/0xb0 [<000000008b898197>] rt5190a_probe+0x52a/0x861 [rt5190a_regulator] After calling regulator_resolve_supply(), the 'rdev->supply' is set by set_supply(), after this set, in the error path, the resources need be released, so call regulator_put() to avoid the leaks.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu120 products
  • linuxAll versions (No fix recorded) | < 5.4.0-144.161 | < 5.15.0-69.76
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1097.105 | < 5.15.0-1033.37
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.4-1
Linux1 product
  • linux≥ 0120ec32a7774b5061ced1a9a7ff833edd8b4cb6, < 35593d60b1622834984c43add7646d4069671aa9 | ≥ aea6cb99703e17019e025aa71643b4d3e0a24413, < 6a03c31d08f95dca9633a552de167b9e625833a8 | ≥ aea6cb99703e17019e025aa71643b4d3e0a24413, < c4c64d8abd656b9807b63178750fa91454602b86 | ≥ aea6cb99703e17019e025aa71643b4d3e0a24413, < 90b713aadc1240bf2dd03d610d6c1d016a9123a2 | ≥ aea6cb99703e17019e025aa71643b4d3e0a24413, < f86b2f216636790d5922458578825e4628fb570f | ≥ aea6cb99703e17019e025aa71643b4d3e0a24413, < ba62319a42c50e6254e98b3f316464fac8e77968 | 1d58235c062309d51660fd04182d7a8ab6a48ad6 | 167c3b1f9793a1fb23e75e693f078420850306d4 | 3fc99e38fdbf6b693693f861aa55a50a74c2d202 | 96c6b5d5775637b3095ef934f871044811fd4db7 | f58ce31b05b4ca0c200a5cbe4724efe279405095 | ≥ 5.4.73, < 5.4.229 | ≥ 4.9.241, < 4.10 | ≥ 4.14.203, < 4.15 | ≥ 4.19.153, < 4.20 | ≥ 5.8.17, < 5.9 | ≥ 5.9.2, < 5.10 | 5.10

3 vendors · 122 products

References

9 links