{"id":"CVE-2026-89877","published":"2026-09-16T11:16:55.987","lastModified":"2026-09-16T15:18:14.570","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: saa7164: fix cleanup on resource allocation failure\n\nsaa7164_dev_setup() adds the device to the global saa7164_devlist before\nrequesting the PCI BAR memory regions.\n\nIf get_resources() fails, saa7164_dev_setup() decrements the device count\nand returns an error, but leaves the device on saa7164_devlist. The probe\nerror path then frees the device, leaving a dangling entry on the global\nlist.\n\nReuse the existing MMIO mapping error path to remove the device from\nsaa7164_devlist and decrement the device count before returning.\n\nAlso release BAR0 if it was successfully requested but the BAR2 request\nfails.","cvssScore":8.4,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/28e84c6e2e6753ed238ea097b2842a32a6a6879b","tags":[]},{"url":"https://git.kernel.org/stable/c/4d2048466af9e2c960c5be6dcd317e3b657d268b","tags":[]},{"url":"https://git.kernel.org/stable/c/69259c627009bf7621010ae9e997dad2dad3339c","tags":[]},{"url":"https://git.kernel.org/stable/c/77f216f8de6221efb6f6c471bc9e598f1879825b","tags":[]},{"url":"https://git.kernel.org/stable/c/daa5b32cdf7db81a07ee2a91ce092a363e7754aa","tags":[]},{"url":"https://git.kernel.org/stable/c/fc65623524b5bf23baddc6ae688d954fba0d5de2","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"This vulnerability in the Linux kernel's saa7164 driver can lead to a use-after-free condition, allowing an attacker to potentially exploit the device after a resource allocation failure.","exploitability":"Exploitation requires a resource allocation failure during device setup, which is unlikely in normal operation. Precondition is the presence of a vulnerable kernel version.","blast_radius":"If exploited, the impact is limited to the local system, potentially allowing an attacker to gain control over the device or system resources.","remediation":"Upgrade to the fixed kernel version 5.18.11 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["local-privilege-escalation","use-after-free","linux-kernel"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-02T08:50:21.993Z"}}