RDMA/erdma: complete object teardown when the destroy command fails
CVE-2026-92488 · published 17 Sept 2026
How serious is it
- Severity: high, CVSS score 7 out of 10.
- No exploit prediction (EPSS) score yet.
- Not on the CISA list of exploited vulnerabilities.
- No public exploit in Exploit-DB.
Is your app affected by CVE-2026-92488?
Paste this prompt into Claude Code, Cursor or any AI coding tool: it runs a free Shippable scan of your project and fixes what it finds. Built with Lovable, Bolt or v0? Scan your live app. Or upload your package file.
Who is affected
- Linux Linux: 155055771704f8cbb5c176a4309b7dc30a50450c to < 3886d944b506e0cc681646beb03c3024cb375a68, 155055771704f8cbb5c176a4309b7dc30a50450c to < 5fcfc988ecf3e2bbe308b95c2c0d2f011d9afabe, 155055771704f8cbb5c176a4309b7dc30a50450c to < ce7d205c264665517c25e8a3231cf2d0c2443e3c, 155055771704f8cbb5c176a4309b7dc30a50450c to < 334145d683ad3e31d052247f10807f2ebc950351
- Linux Linux: 6.0
How to check
- Find out whether you run the affected product and which version, then compare it with the versions above.
How to fix
Copies a prompt for Claude Code, Cursor or Codex that asks it to check whether you run this product.
- Apply the vendor's update or mitigation from the references below. If there is none yet, limit exposure of the affected service until there is.
- If a vulnerable version was live, check your logs and rotate the secrets that server could read.
The advisory
In the Linux kernel, the following vulnerability has been resolved:
RDMA/erdma: complete object teardown when the destroy command fails
erdma_destroy_qp(), erdma_destroy_cq(), erdma_dereg_mr(), and
erdma_destroy_ah() returned early when erdma_post_cmd_wait() failed,
leaking the queue buffers, MTTs, doorbells and the STAG, QPN, CQN and AHN
identifiers. A command timeout clears ERDMA_CMDQ_STATE_OK_BIT and
permanently disables the command queue, so no retry can succeed; the RDMA
core keeps the object after a failed destructor and forced uverbs cleanup
then nulls the pointers, making the resources unreachable.
Warn on failure but release every software-owned resource and return
success, since during terminal destruction the hardware command result is
only diagnostic.
Check your whole app
Dependencies are only half of it. Free and read-only: before you push, run npx shippable-dev scan localhost:3000 in your project folder, no account needed. For your live app, you prove it's yours with a one-line tag first.
References
- git.kernel.org/stable/c/3886d944b506e0cc681646beb03c3024cb375a68
- git.kernel.org/stable/c/5fcfc988ecf3e2bbe308b95c2c0d2f011d9afabe
- git.kernel.org/stable/c/ce7d205c264665517c25e8a3231cf2d0c2443e3c
- git.kernel.org/stable/c/334145d683ad3e31d052247f10807f2ebc950351
- git.kernel.org/stable/c/652befcba956ef357f480525ccbe25c59bc81d4d
Merged from CVE List. Last updated 26 Oct 2026. All vulnerabilities · RSS · JSON