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The vulnerability of the ovl_write_iter() function in the file system implementation of overlayfs in Linux kernels allows a attacker to cause a service failure or gain increased privileges.

🗓️ 17 Mar 2023 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 5 Views

Use-after-free in ovl_write_iter() of overlayfs can cause service failure or privilege escalation.

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19 Aug 2025 00:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 26
CVSS 37
EPSS0.00221
5