CVE-2025-39978High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fix potential use after free in otx2_tc_add_flow() This code calls kfree_rcu(new_node, rcu) and then dereferences "new_node" and then dereferences it on …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · 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 CVEORG
Last analysed / modified upstream
0.1%
0.1% → 0.1%
In the Linux kernel, the following vulnerability has been resolved:
octeontx2-pf: Fix potential use after free in otx2_tc_add_flow()
This code calls kfree_rcu(new_node, rcu) and then dereferences "new_node" and then dereferences it on the next line. Two lines later, we take a mutex so I don't think this is an RCU safe region. Re-order it to do the dereferences before queuing up the free.
Linux >= 68fbff68dbea35f9e6f7649dd22fce492a5aedac < 5723120423a753a220b8b2954b273838b9d7e74aLinux >= 68fbff68dbea35f9e6f7649dd22fce492a5aedac < df2c071061ed52d2225d97b212d27ecedf456b8aLinux >= 68fbff68dbea35f9e6f7649dd22fce492a5aedac < c41b2941a024d4ec7c768e16ffb10a74b188fcedLinux >= 68fbff68dbea35f9e6f7649dd22fce492a5aedac < a8a63f27c3a8a3714210d32b12fd0f16d0337414Linux >= 68fbff68dbea35f9e6f7649dd22fce492a5aedac < d9c70e93ec5988ab07ad2a92d9f9d12867f02c56Linux 5.14Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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