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CVE-2026-90135

net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()

In the Linux kernel, the following vulnerability has been resolved:

net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()

sashiko is reporting that trying to read /sys/kernel/debug/ref_tracker/*
causes use-afer-free crash when either alloc_percpu() or dev_addr_init()
in alloc_netdev_mqs() failed, for commit 4d92b95ff2f9 ("net: add net device
refcount tracker infrastructure") added ref_tracker_dir_exit() to only
free_netdev() path.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d
Version < 2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c
Status affected
Version 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d
Version < 5fe03b5257095e2beef0bc79e1f068fbd09a24c7
Status affected
Version 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d
Version < 63ab05e8f9654aa100d366c0236399fda6ffaab1
Status affected
Version 4d92b95ff2f95f13df9bad0b5a25a9f60e72758d
Version < 0b1c2af8a22c35cb099c735c2f63ea3ba757557d
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 5.17
Status affected
Version 0
Version < 5.17
Status unaffected
Version <= 6.12.*
Version 6.12.110
Status unaffected
Version <= 6.18.*
Version 6.18.52
Status unaffected
Version <= 7.2.*
Version 7.2.6
Status unaffected
Version <= *
Version 7.3-rc1
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.2% 0.102
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c
https://git.kernel.org/stable/c/5fe03b5257095e2beef0bc79e1f068fbd09a24c7
https://git.kernel.org/stable/c/63ab05e8f9654aa100d366c0236399fda6ffaab1
https://git.kernel.org/stable/c/0b1c2af8a22c35cb099c735c2f63ea3ba757557d