CVE-2026-97973net: macb: destroy the phylink instance on the probe error path
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0 builds before 0112aa02c7847314be599d68783d50c7e228a694; from 7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0 before c1de1e7b51ab2531f564b39b51998c3d71caccd7; 7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0 builds before 23b6a44ffea1c54a4232aa86ee470b21422a8cc5; from 7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0 before e92a45b872b035c79acde8dd0da096a72b61ff2f; from 7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0 before 8558e3195664113c14a4d8fcf221b3caff41fed1; 7897b071ac3b45a5788d084fc7f8a8ee9e5f07f0 builds before 7d059f390750152b9bd69df934198651b94fc26d | CNA record |
References
- https://git.kernel.org/stable/c/0112aa02c7847314be599d68783d50c7e228a694
- https://git.kernel.org/stable/c/c1de1e7b51ab2531f564b39b51998c3d71caccd7
- https://git.kernel.org/stable/c/23b6a44ffea1c54a4232aa86ee470b21422a8cc5
- https://git.kernel.org/stable/c/e92a45b872b035c79acde8dd0da096a72b61ff2f
- https://git.kernel.org/stable/c/8558e3195664113c14a4d8fcf221b3caff41fed1
- https://git.kernel.org/stable/c/7d059f390750152b9bd69df934198651b94fc26d
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.