{"id":"CVE-2026-90135","published":"2026-09-17T17:17:06.053","lastModified":"2026-09-17T17:17:06.053","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()\n\nsashiko is reporting that trying to read /sys/kernel/debug/ref_tracker/*\ncauses use-afer-free crash when either alloc_percpu() or dev_addr_init()\nin alloc_netdev_mqs() failed, for commit 4d92b95ff2f9 (\"net: add net device\nrefcount tracker infrastructure\") added ref_tracker_dir_exit() to only\nfree_netdev() path.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/0b1c2af8a22c35cb099c735c2f63ea3ba757557d","tags":[]},{"url":"https://git.kernel.org/stable/c/2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c","tags":[]},{"url":"https://git.kernel.org/stable/c/5fe03b5257095e2beef0bc79e1f068fbd09a24c7","tags":[]},{"url":"https://git.kernel.org/stable/c/63ab05e8f9654aa100d366c0236399fda6ffaab1","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}