CVE-2026-72140: i2c: mlxbf: Fix use-after-free in mlxbf_i2c_init_resource()
Vulnerability summary
CVE-2026-72140 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.5% of scored vulnerabilities.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 16 · Related 15Timeline
- 15-08-2026PublishedVulnerability first disclosed.
- 17-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: i2c: mlxbf: Fix use-after-free in mlxbf_i2c_init_resource() If devm_platform_get_and_ioremap_resource() returns an error, mlxbf_i2c_init_resource() frees tmp_res before reading tmp_res->io to get the error code. This results in a use-after-free. Save the error code before freeing tmp_res.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.22% on 06-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: not stated in public data.
Ubuntu157 products
- linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-147.147 | < 7.0.0-38.38
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1067.70 | < 7.0.0-1014.14
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.180-1 | < 6.12.100-1 | < 7.1.5-1
Linux1 product
- linux≥ b5b5b32081cd206baa6e58cca7f112d9723785d6, < 6a108c9f5a81bb7b29dbb1398be0089655b6bfd2 | ≥ b5b5b32081cd206baa6e58cca7f112d9723785d6, < c4d9b6a0c9645366d9e4af8a6ac8347bd4c841aa | ≥ b5b5b32081cd206baa6e58cca7f112d9723785d6, < b398cbbbb9dd76210682a8c9aabd34c5168800b9 | ≥ b5b5b32081cd206baa6e58cca7f112d9723785d6, < 5290a52533e09c38374963f4bb0b35121fe555c7 | ≥ b5b5b32081cd206baa6e58cca7f112d9723785d6, < ce960a1b2caa4ad08291f28d8bcf17ad5a864e54 | ≥ b5b5b32081cd206baa6e58cca7f112d9723785d6, < e6a395a71f4652261d09b572a03c96052662a056 | ≥ b5b5b32081cd206baa6e58cca7f112d9723785d6, < fb267770bf822064f510c9b46743f533d8fa8a5f | ≥ b5b5b32081cd206baa6e58cca7f112d9723785d6, < 71356737a7a55c76fee847563e3d33f8e6dc6b6d | 5.10
3 vendors · 159 products