CVE-2026-89673Medium· 5.5▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: nfsd: fix XDR padding calculation in ff_encode_getdeviceinfo nfsd4_ff_encode_getdeviceinfo() computes the da_addr_body reservation as 16 + netid_len + addr_len, but th…
▾ 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 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
— → 5.9
none → medium
— → 5.9
none → medium
— → 5.9
none → medium
5.9 → 5.5
Last analysed / modified upstream
0.2% → 0.2%
In the Linux kernel, the following vulnerability has been resolved:
nfsd: fix XDR padding calculation in ff_encode_getdeviceinfo
nfsd4_ff_encode_getdeviceinfo() computes the da_addr_body reservation as 16 + netid_len + addr_len, but the subsequent xdr_encode_opaque() calls emit 8 + round_up(netid_len, 4) + round_up(addr_len, 4) bytes. The mismatch means the declared da_addr_body length exceeds the actual encoded data by 2-8 bytes on every flexfile GETDEVICEINFO reply, leaking stale reply-page content to the client and mis-aligning the subsequent version list decode.
Use xdr_align_size() for each string length to match what xdr_encode_opaque() actually writes.
Linux >= 3f1a2b0b2d575f39ff0bedb5411822fe7446a805 < 356decf074b82bac5564568203c12426dcea3470Linux >= 19a648a07572c70fbe16faf0fafaf3dce9fd998a < 15460c8e6c9bc92cda8f68bc419ac082300ab3d6Linux >= 6d08bd22fa2941a4d5ef45ed115dd00e484a93d7 < 9be67a6be48ddf2ebaa98c0df671690b8f9666e7Linux >= 6372e2ee629894433fe6107d7048536a3280a284 < 88bce7e326c368d7df15126ccac537e54bebd467Linux >= 6372e2ee629894433fe6107d7048536a3280a284 < 74015b7be806ad9e21d46f7bd2831df280c6c783Linux >= 6372e2ee629894433fe6107d7048536a3280a284 < 41ebca28e17f84293650598f86bd69532ec1a8e0Linux >= 6372e2ee629894433fe6107d7048536a3280a284 < 62e5949f0dd5ec837af144860ff908369df4c7c9Linux >= 6372e2ee629894433fe6107d7048536a3280a284 < 8b989aaec85e1293a871d602590c951fe44b8647Linux 82e36f0c287769a0430268739a71dbd56df0e679Linux 6370e66a71c4869247f8f406c2a8b2c43df8998fLinux 16282aeca44bfac0d1ac3be6cd1a719d6ff3d749Linux efcae97fa425ca6db9d126e37daccf2d7225cb09Linux 64c959d59c24c661bd5338e4e6f1f703d7c309a1Linux >= 5.10.195 < 5.10.270Linux >= 5.15.132 < 5.15.221Linux >= 6.1.53 < 6.1.188Linux >= 4.14.326 < 4.15Linux >= 4.19.295 < 4.20Linux >= 5.4.257 < 5.5Linux >= 6.4.16 < 6.5Linux >= 6.5.3 < 6.6Linux 6.6Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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