CVE-2026-74548 is a vulnerability in Linux Kernel
Published on August 15, 2026
forcedeth: fix UAF of txrx_stats in nv_remove
In the Linux kernel, the following vulnerability has been resolved:
forcedeth: fix UAF of txrx_stats in nv_remove
nv_remove() frees the per-CPU txrx_stats before unregister_netdev().
Until unregister completes, ndo_get_stats64, the NAPI/xmit data path,
and nv_close()/drain may still access txrx_stats, leading to a
use-after-free.
Free the stats only after unregister_netdev().
Products Associated with CVE-2026-74548
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Affected Versions
Linux:- Version f4b633b911fd3b4cbe1dc065e8fb064078d0889d and below cf2dcde2284562ff87830ca0b7fa2b06e95aef1e is affected.
- Version f4b633b911fd3b4cbe1dc065e8fb064078d0889d and below c9d24a205fd508b9999fcab6aca4c590490a12cf is affected.
- Version f4b633b911fd3b4cbe1dc065e8fb064078d0889d and below ae20a8a4de06a289d40b0a0633d8d573f1fcb049 is affected.
- Version f4b633b911fd3b4cbe1dc065e8fb064078d0889d and below 201e05aa531eba0dfe2ee05b4e178f6ffa12c8b1 is affected.
- Version f4b633b911fd3b4cbe1dc065e8fb064078d0889d and below 22666ba1420164753d7b0f5a841986b25ace5435 is affected.
- Version 5.3 is affected.
- Before 5.3 is unaffected.
- Version 6.6.151, <= 6.6.* is unaffected.
- Version 6.12.103, <= 6.12.* is unaffected.
- Version 6.18.44, <= 6.18.* is unaffected.
- Version 7.1.8, <= 7.1.* is unaffected.
- Version 7.2-rc6, <= * is unaffected.