Vulnerability-Lookup

FKIE_CVE-2026-43226

Vulnerability from fkie_nvd - Published: 2026-05-06 12:16 - Updated: 2026-05-08 21:17

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: net/rds: No shortcut out of RDS_CONN_ERROR RDS connections carry a state "rds_conn_path::cp_state" and transitions from one state to another and are conditional upon an expected state: "rds_conn_path_transition." There is one exception to this conditionality, which is "RDS_CONN_ERROR" that can be enforced by "rds_conn_path_drop" regardless of what state the condition is currently in. But as soon as a connection enters state "RDS_CONN_ERROR", the connection handling code expects it to go through the shutdown-path. The RDS/TCP multipath changes added a shortcut out of "RDS_CONN_ERROR" straight back to "RDS_CONN_CONNECTING" via "rds_tcp_accept_one_path" (e.g. after "rds_tcp_state_change"). A subsequent "rds_tcp_reset_callbacks" can then transition the state to "RDS_CONN_RESETTING" with a shutdown-worker queued. That'll trip up "rds_conn_init_shutdown", which was never adjusted to handle "RDS_CONN_RESETTING" and subsequently drops the connection with the dreaded "DR_INV_CONN_STATE", which leaves "RDS_SHUTDOWN_WORK_QUEUED" on forever. So we do two things here: a) Don't shortcut "RDS_CONN_ERROR", but take the longer path through the shutdown code. b) Add "RDS_CONN_RESETTING" to the expected states in "rds_conn_init_shutdown" so that we won't error out and get stuck, if we ever hit weird state transitions like this again."

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/19e384a7d00d888303a8285977cdf1970c6cccd6	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/81248b1eb3c5954cc1fc7b33b7c03e34d20cb8c8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/899ef00963ce76f9fc421a7d02335fe4ead6389b	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9bcd7c00691a2db9745817d5ea79262a503b135c	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9ff599a9be784a808c36765086e3db2144aa3b66	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a179ac7be8f5a650d0068040705f4cddd6ca369c	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ad22d24be635c6beab6a1fdd3f8b1f3c478d15da	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f0f729bdffb08af32e0f54521b81b8a9e0321f16	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

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CVE-2026-43226 (GCVE-0-2026-43226)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:28 – Updated: 2026-05-11 22:20

Title

net/rds: No shortcut out of RDS_CONN_ERROR

Summary

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/9bcd7c00691a2db97…
https://git.kernel.org/stable/c/a179ac7be8f5a650d…
https://git.kernel.org/stable/c/19e384a7d00d88830…
https://git.kernel.org/stable/c/f0f729bdffb08af32…
https://git.kernel.org/stable/c/81248b1eb3c5954cc…
https://git.kernel.org/stable/c/899ef00963ce76f9f…
https://git.kernel.org/stable/c/9ff599a9be784a808…
https://git.kernel.org/stable/c/ad22d24be635c6bea…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 5916e2c1554f3e36f770401c989c3c7fadf619ca , < 9bcd7c00691a2db9745817d5ea79262a503b135c (git) Affected: 5916e2c1554f3e36f770401c989c3c7fadf619ca , < a179ac7be8f5a650d0068040705f4cddd6ca369c (git) Affected: 5916e2c1554f3e36f770401c989c3c7fadf619ca , < 19e384a7d00d888303a8285977cdf1970c6cccd6 (git) Affected: 5916e2c1554f3e36f770401c989c3c7fadf619ca , < f0f729bdffb08af32e0f54521b81b8a9e0321f16 (git) Affected: 5916e2c1554f3e36f770401c989c3c7fadf619ca , < 81248b1eb3c5954cc1fc7b33b7c03e34d20cb8c8 (git) Affected: 5916e2c1554f3e36f770401c989c3c7fadf619ca , < 899ef00963ce76f9fc421a7d02335fe4ead6389b (git) Affected: 5916e2c1554f3e36f770401c989c3c7fadf619ca , < 9ff599a9be784a808c36765086e3db2144aa3b66 (git) Affected: 5916e2c1554f3e36f770401c989c3c7fadf619ca , < ad22d24be635c6beab6a1fdd3f8b1f3c478d15da (git)
Linux	Linux	Affected: 4.8 Unaffected: 0 , < 4.8 (semver) Unaffected: 5.10.252 , ≤ 5.10.* (semver) Unaffected: 5.15.202 , ≤ 5.15.* (semver) Unaffected: 6.1.165 , ≤ 6.1.* (semver) Unaffected: 6.6.128 , ≤ 6.6.* (semver) Unaffected: 6.12.75 , ≤ 6.12.* (semver) Unaffected: 6.18.16 , ≤ 6.18.* (semver) Unaffected: 6.19.6 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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        },
        {
          "url": "https://git.kernel.org/stable/c/9ff599a9be784a808c36765086e3db2144aa3b66"
        },
        {
          "url": "https://git.kernel.org/stable/c/ad22d24be635c6beab6a1fdd3f8b1f3c478d15da"
        }
      ],
      "title": "net/rds: No shortcut out of RDS_CONN_ERROR",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43226",
    "datePublished": "2026-05-06T11:28:24.952Z",
    "dateReserved": "2026-05-01T14:12:55.994Z",
    "dateUpdated": "2026-05-11T22:20:26.671Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-43226

CVE-2026-43226 (GCVE-0-2026-43226)

Tags

Sightings

Nomenclature