# RDMA/rxe: Fix double free in rxe_srq_from_init

CVE record · `CVE-2026-45852`

- **Identifiers:** `CVE-2026-45852`
- **State:** Confirmed
- **Severity:** CVSS 7.8 High
- **Critical:** No
- **CNA:** Linux
- **Weakness (CWE):** [CWE-415](https://cwe.mitre.org/data/definitions/415.html) · [CWE-1341](https://cwe.mitre.org/data/definitions/1341.html)
- **Tags:** [Memory corruption](https://agentprime.io/advisories/tag/memory-corruption.md) · [CWE-1341](https://agentprime.io/advisories/tag/cwe-1341.md)
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 27 May 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 27 May 2026, 12:15 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `aae0484e15f062ad2c2502e68e15dfb8b8f84608 to before b98ab5494dbd48652561aa0b9c32f10500220745` (git)
  - affected: `aae0484e15f062ad2c2502e68e15dfb8b8f84608 to before d493e0bfc748a520c349d6c8791b262aa5ad2e4e` (git)
  - affected: `aae0484e15f062ad2c2502e68e15dfb8b8f84608 to before 9abff51163aa1bc275ec356f74fe976291860a7f` (git)
  - affected: `aae0484e15f062ad2c2502e68e15dfb8b8f84608 to before 26793db60925df1e88a29466813d586cbc190b8c` (git)
  - affected: `aae0484e15f062ad2c2502e68e15dfb8b8f84608 to before ce6f8e007682f378279d4cf83b240f12d52c723b` (git)
  - affected: `aae0484e15f062ad2c2502e68e15dfb8b8f84608 to before 5c07aef09a121a4cd622a71eb0753a9e135c84a8` (git)
  - affected: `aae0484e15f062ad2c2502e68e15dfb8b8f84608 to before 26a9cfe12f4ffdeaa136f252478986fa5f397ddc` (git)
  - affected: `aae0484e15f062ad2c2502e68e15dfb8b8f84608 to before 0beefd0e15d962f497aad750b2d5e9c3570b66d1` (git)
  - affected: `350703fae672d4d649c3562c199eab5ec9dc7c79` (git)
  - affected: `4.19.86 to before 4.20` (semver)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `4.20`
  - unaffected: `before 4.20` (semver)
  - unaffected: `5.10.259 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.210 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.176 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.128 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.75 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.14 to 6.18.*, inclusive` (semver)
  - unaffected: `6.19.4 to 6.19.*, inclusive` (semver)
  - unaffected: `7.0 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 7.8 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`, from CNA (Linux) (used for this record)
- 7.0 High, CVSS 3.1: `CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H`, from ADP (redhat-SADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0020, the 9th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 27 May 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-45852](https://www.cve.org/CVERecord?id=CVE-2026-45852)
- [NVD: CVE-2026-45852](https://nvd.nist.gov/vuln/detail/CVE-2026-45852)

### References from the CNA

- <https://git.kernel.org/stable/c/b98ab5494dbd48652561aa0b9c32f10500220745>
- <https://git.kernel.org/stable/c/d493e0bfc748a520c349d6c8791b262aa5ad2e4e>
- <https://git.kernel.org/stable/c/9abff51163aa1bc275ec356f74fe976291860a7f>
- <https://git.kernel.org/stable/c/26793db60925df1e88a29466813d586cbc190b8c>
- <https://git.kernel.org/stable/c/ce6f8e007682f378279d4cf83b240f12d52c723b>
- <https://git.kernel.org/stable/c/5c07aef09a121a4cd622a71eb0753a9e135c84a8>
- <https://git.kernel.org/stable/c/26a9cfe12f4ffdeaa136f252478986fa5f397ddc>
- <https://git.kernel.org/stable/c/0beefd0e15d962f497aad750b2d5e9c3570b66d1>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-45852>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-45852/>. Everything for agents: <https://agentprime.io/llms.txt>.