5.5

CVE-2022-49212: mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init

Modified
AliasesUBUNTU-CVE-2022-49212DEBIAN-CVE-2022-49212
Published 26-02-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49212 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
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 7 · Related 7
SUSE-SU-2025:01983-1SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1SUSE-SU-2025:1194-1SUSE-SU-2025:1241-1

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init The reference counting issue happens in several error handling paths on a refcounted object "nc->dmac". In these paths, the function simply returns the error code, forgetting to balance the reference count of "nc->dmac", increased earlier by dma_request_channel(), which may cause refcount leaks. Fix it by decrementing the refcount of specific object in those error paths.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.27% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu105 products
  • linux< 4.15.0-189.200 | < 5.4.0-117.132 | < 5.15.0-37.39
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.15.0-1137.148 | < 5.4.0-1078.84 | < 5.15.0-1011.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ f88fc122cc34c2545dec9562eaab121494e401ef, < 0856bf27057561f42b37df111603cf5a0d040294 | ≥ f88fc122cc34c2545dec9562eaab121494e401ef, < 9843c9c98f26c6ad843260b19bfdaa2598f2ae1e | ≥ f88fc122cc34c2545dec9562eaab121494e401ef, < 9b08d211db4c447eb1a07df65e45e0aa772e0fa6 | ≥ f88fc122cc34c2545dec9562eaab121494e401ef, < a3587259ae553e41d1ce8c7435351a5d6b299a11 | ≥ f88fc122cc34c2545dec9562eaab121494e401ef, < fe0e2ce5c87e9c0b9485ff566362030aa55972cf | ≥ f88fc122cc34c2545dec9562eaab121494e401ef, < 8baea2b96fa90af8d0f937caf4cf2105ee094d93 | ≥ f88fc122cc34c2545dec9562eaab121494e401ef, < f1694169f3674cdf7553aed06864254635679878 | ≥ f88fc122cc34c2545dec9562eaab121494e401ef, < fecbd4a317c95d73c849648c406bcf1b6a0ec1cf | 4.12
  • linux_kernel≥ 4.12, < 4.14.276 | ≥ 4.15, < 4.19.238 | ≥ 4.20, < 5.4.189 | ≥ 5.5, < 5.10.110 | ≥ 5.11, < 5.15.33 | ≥ 5.16, < 5.16.19 | ≥ 5.17, < 5.17.2
Debian1 product
  • linux< 5.17.3-1

3 vendors · 108 products

References

12 links
Show all 12 references