CVE-2026-23259None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: io_uring/rw: free potentially allocated iovec on cache put failure If a read/write request goes through io_req_rw_cleanup() and has an allocated iovec attached and fai…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
io_uring/rw: free potentially allocated iovec on cache put failure
If a read/write request goes through io_req_rw_cleanup() and has an allocated iovec attached and fails to put to the rw_cache, then it may end up with an unaccounted iovec pointer. Have io_rw_recycle() return whether it recycled the request or not, and use that to gauge whether to free a potential iovec or not.
Linux >= a9165b83c1937eeed1f0c731468216d6371d647f < 41cda4c66846c3bfcdeaf28444ccabbb55e64cf1Linux >= a9165b83c1937eeed1f0c731468216d6371d647f < 1d5f2329ab4df65c2ee011b986d8a6e05ad0f67cLinux >= a9165b83c1937eeed1f0c731468216d6371d647f < 4b9748055457ac3a0710bf210c229d01ea1b01b9Linux 6.10Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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