CVE-2026-89510High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Cancel reg_work before freeing device on remove c4iw_uld_state_change() queues reg_work to register the RDMA device. c4iw_remove() can free ctx->dev while …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
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%
— → 5.2
none → medium
— → 7.8
none → high
7.8 → 5.2
high → medium
5.2 → 7.8
medium → high
7.8 → 7
7 → 7.8
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
RDMA/cxgb4: Cancel reg_work before freeing device on remove
c4iw_uld_state_change() queues reg_work to register the RDMA device. c4iw_remove() can free ctx->dev while this work is pending or running, leaving c4iw_register_device() accessing the freed device.
Cancel reg_work before removing the device. The registration work can tear down ctx->dev when registration fails, so do not unregister or deallocate it again in that case.
This issue was found by an in-house static analysis tool.
Linux >= 1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 < e6e79e7be87c5ea92728060a3d7fb56890a91e45Linux >= 1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 < 672ee1981db10569ec96030bddb322f18382ec04Linux >= 1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 < 4681e731db07769846901cfabdd3e53f765eb9d3Linux >= 1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 < 3265d558dfafab8f12f5fba06ebbf15cae9f3225Linux >= 1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 < fe9c591026c576d8b1f72aab5e4cd67350530763Linux >= 1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 < 85f438382a865a4dc4c50e6b884310bb2b60fc4dLinux >= 1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 < 320e5258a53af0abc5abd9eb01519a48bab2dee8Linux >= 1c8f1da5d851b92aeb81dbbb9ebd516f6e2588f5 < a7100601aa1a39f799a566acce10db20eaf4b7f2Linux 4.15Refer 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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