CVE-2026-31671Medium· 5.5▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: xfrm_user: fix info leak in build_report() struct xfrm_user_report is a __u8 proto field followed by a struct xfrm_selector which means there is three "empty" bytes of…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.1%
0.1% → 0.2%
Last analysed / modified upstream
— → 5.5
none → medium
In the Linux kernel, the following vulnerability has been resolved:
xfrm_user: fix info leak in build_report()
struct xfrm_user_report is a __u8 proto field followed by a struct xfrm_selector which means there is three "empty" bytes of padding, but the padding is never zeroed before copying to userspace. Fix that up by zeroing the structure before setting individual member variables.
linux_kernel >= 2.6.19.1, < 5.10.253linux_kernel >= 5.11, < 5.15.203linux_kernel >= 5.16, < 6.1.169linux_kernel >= 6.2, < 6.6.135linux_kernel >= 6.7, < 6.12.82linux_kernel >= 6.13, < 6.18.23linux_kernel >= 6.19, < 6.19.13linux_kernel = 2.6.19linux_kernel = 7.0Upgrade past the affected range:
linux_kernel 6.19.13Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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