CVE-2026-53157In the Linux kernel, the following vulnerability has been resolved: net: phonet: free phonet_device after RCU grace period phonet_device_destroy() removes a phonet_device from the per-net device list…
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In the Linux kernel, the following vulnerability has been resolved: net: phonet: free phonet_device after RCU grace period phonet_device_destroy() removes a phonet_device from the per-net device list with list_del_rcu(), but frees it immediately. RCU readers walking the same list can still hold a pointer to the object after it has been removed, leading to a slab-use-after-free. Use kfree_rcu(), matching the lifetime rule already used by phonet_address_del() for the same object type.
- CVSS
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 2.6.33 before 5.10.260; from 5.11 before 5.15.211; from 5.16 before 6.1.177; from 6.2 before 6.6.144; from 6.7 before 6.12.95; from 6.13 before 6.18.36; from 6.19 before 7.0.13; 7.1; and 6 more ranges | NVD |
References
- https://git.kernel.org/stable/c/09c9b92c2010481160245244ea8fa1d06d5d4ae0patch
- https://git.kernel.org/stable/c/2ec8011cce0cd0fc7a5068585d867fc08d508578patch
- https://git.kernel.org/stable/c/52b8f5ef82c886f7cd24617915e4b1579ddfd001patch
- https://git.kernel.org/stable/c/6cd7067d6e4b0b2033ba2f918ecbd54dc2af3763patch
- https://git.kernel.org/stable/c/71de0177b28da751f407581a4515cf4d762f6296patch
- https://git.kernel.org/stable/c/bd2ab4d800fc26814d89328d87b5f97ef6aa906apatch
- https://git.kernel.org/stable/c/bff309ea51f1395c1ef8be8b75ce62d28a319113patch
- https://git.kernel.org/stable/c/d59794337ea496042288c7c68356d9b9ca7f46a9patch
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.