net: macb: destroy the phylink instance on the probe error path
In the Linux kernel, the following vulnerability has been resolved: net: macb: destroy the phylink instance on the probe error path macb_mii_init() creates a phylink instance on both of its success paths, but the probe unwind frees the netdev without destroying it, so a failing macb_alloc_tieoff() or register_netdev() leaks the instance. Destroy it at err_out_unregister_mdio, which is only reachable once macb_mii_init() has succeeded, so bp->phylink is valid there.
CVE-2026-97973
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-97973
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0",
"lessThan": "0112aa02c7847314be599d68783d50c7e228a694",
"versionType": "git"
},
{
"status": "affected",
"version": "7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0",
"lessThan": "c1de1e7b51ab2531f564b39b51998c3d71caccd7",
"versionType": "git"
},
{
"status": "affected",
"version": "7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0",
"lessThan": "23b6a44ffea1c54a4232aa86ee470b21422a8cc5",
"versionType": "git"
},
{
"status": "affected",
"version": "7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0",
"lessThan": "e92a45b872b035c79acde8dd0da096a72b61ff2f",
"versionType": "git"
},
{
"status": "affected",
"version": "7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0",
"lessThan": "8558e3195664113c14a4d8fcf221b3caff41fed1",
"versionType": "git"
},
{
"status": "affected",
"version": "7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0",
"lessThan": "7d059f390750152b9bd69df934198651b94fc26d",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/ethernet/cadence/macb_main.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.5"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.5",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.189",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.158",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.111",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.53",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.7",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/net/ethernet/cadence/macb_main.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-97973
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #38109 · Revision 1
- Added to Heist Feed
- Publisher date