CVE-2023-53539RDMA/rxe: Fix incomplete state save in rxe_requester
- 7.8HighCVSS base score
- 0.17%Exploitation in 30 daysEPSS · top 94% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix incomplete state save in rxe_requester If a send packet is dropped by the IP layer in rxe_requester() the call to rxe_xmit_packet() can fail with err == -EAGAIN. To recover, the state of the wqe is restored to the state before the packet was sent so it can be resent. However, the routines that save and restore the state miss a significnt part of the variable state in the wqe, the dma struct which is used to process through the sge table. And, the state is not saved before the packet is built which modifies the dma struct. Under heavy stress testing with many QPs on a fast node sending large messages to a slow node dropped packets are observed and the resent packets are corrupted because the dma struct was not restored. This patch fixes this behavior and allows the test cases to succeed.
Timeline
ID reserved
By Linux
Published
- 10 months later
· 10 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.17% · top 94% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 3050b99850247695cb07a5c15265afcc08bcf400 – < 70518f3aaf5a059b691867d7d2d46b999319656a
- affected 3050b99850247695cb07a5c15265afcc08bcf400 – < 2f2a6422287fe29f9343247d77b645100ece0652
- affected 3050b99850247695cb07a5c15265afcc08bcf400 – < 255c0e60e1d16874fc151358d94bc8df661600dd
- affected 3050b99850247695cb07a5c15265afcc08bcf400 – < 5d122db2ff80cd2aed4dcd630befb56b51ddf947
- affected 4.8
- unaffected < 4.8
- unaffected 6.1.53 – ≤ 6.1.*
- unaffected 6.4.16 – ≤ 6.4.*
- unaffected 6.5.3 – ≤ 6.5.*
- unaffected 6.6 – ≤ *
References
References4
- https://git.kernel.org/stable/c/70518f3aaf5a059b691867d7d2d46b999319656a (opens in a new tab)
- https://git.kernel.org/stable/c/2f2a6422287fe29f9343247d77b645100ece0652 (opens in a new tab)
- https://git.kernel.org/stable/c/255c0e60e1d16874fc151358d94bc8df661600dd (opens in a new tab)
- https://git.kernel.org/stable/c/5d122db2ff80cd2aed4dcd630befb56b51ddf947 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-32332 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-53539)Record last updated .