{"id":"CVE-2026-74548","title":"forcedeth: fix UAF of txrx_stats in nv_remove","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nforcedeth: fix UAF of txrx_stats in nv_remove\n\nnv_remove() frees the per-CPU txrx_stats before unregister_netdev().\nUntil unregister completes, ndo_get_stats64, the NAP…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < cdf864d5d3c813ae1876f2bacc1cf3ac3c66dfc9","Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < 7c22b4ee0bd003cecfc14ca28981cb213e201f70","Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < d51ce7a63b76eda02cabfed1b0cc277b2f5c9bcc","Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < cf2dcde2284562ff87830ca0b7fa2b06e95aef1e","Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < c9d24a205fd508b9999fcab6aca4c590490a12cf","Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < ae20a8a4de06a289d40b0a0633d8d573f1fcb049","Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < 201e05aa531eba0dfe2ee05b4e178f6ffa12c8b1","Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < 22666ba1420164753d7b0f5a841986b25ace5435","Linux 5.3"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T18:59:51.900384Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:05:55.094Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74548","references":[{"url":"https://git.kernel.org/stable/c/cdf864d5d3c813ae1876f2bacc1cf3ac3c66dfc9"},{"url":"https://git.kernel.org/stable/c/7c22b4ee0bd003cecfc14ca28981cb213e201f70"},{"url":"https://git.kernel.org/stable/c/d51ce7a63b76eda02cabfed1b0cc277b2f5c9bcc"},{"url":"https://git.kernel.org/stable/c/cf2dcde2284562ff87830ca0b7fa2b06e95aef1e"},{"url":"https://git.kernel.org/stable/c/c9d24a205fd508b9999fcab6aca4c590490a12cf"},{"url":"https://git.kernel.org/stable/c/ae20a8a4de06a289d40b0a0633d8d573f1fcb049"},{"url":"https://git.kernel.org/stable/c/201e05aa531eba0dfe2ee05b4e178f6ffa12c8b1"},{"url":"https://git.kernel.org/stable/c/22666ba1420164753d7b0f5a841986b25ace5435"}],"tags":["cve.org"],"epss":0.00126,"epssPercentile":0.02031,"ingestedAt":"2026-10-16T19:46:24.346Z","slug":"CVE-2026-74548","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nforcedeth: fix UAF of txrx_stats in nv_remove\n\nnv_remove() frees the per-CPU txrx_stats before unregister_netdev().\nUntil unregister completes, ndo_get_stats64, the NAPI/xmit data path,\nand nv_close()/drain may still access txrx_stats, leading to a\nuse-after-free.\n\nFree the stats only after unregister_netdev().\n\n## Affected\n\n- `Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < cdf864d5d3c813ae1876f2bacc1cf3ac3c66dfc9`\n- `Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < 7c22b4ee0bd003cecfc14ca28981cb213e201f70`\n- `Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < d51ce7a63b76eda02cabfed1b0cc277b2f5c9bcc`\n- `Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < cf2dcde2284562ff87830ca0b7fa2b06e95aef1e`\n- `Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < c9d24a205fd508b9999fcab6aca4c590490a12cf`\n- `Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < ae20a8a4de06a289d40b0a0633d8d573f1fcb049`\n- `Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < 201e05aa531eba0dfe2ee05b4e178f6ffa12c8b1`\n- `Linux >= f4b633b911fd3b4cbe1dc065e8fb064078d0889d < 22666ba1420164753d7b0f5a841986b25ace5435`\n- `Linux 5.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}