Vulnerability-Lookup

FKIE_CVE-2026-31417

Vulnerability from fkie_nvd - Published: 2026-04-13 14:16 - Updated: 2026-05-20 19:34

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/x25: Fix overflow when accumulating packets Add a check to ensure that `x25_sock.fraglen` does not overflow. The `fraglen` also needs to be resetted when purging `fragment_queue` in `x25_clear_queues()`.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1734bd85c5e0a7a801295b729efb56b009cb8fc3	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4e2d1bcef78d21247fe8fef13bc7ed95885df2b5	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6e568835ea54a3e1d08e310e34f95d434e739477	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/798d613afb64b01a203f448fb0f43c37c6afe79d	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8c92969c197b91c134be27dc3afb64ab468853a9	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/96fc16370b0bceb289c7e0479bd0540b81e257aa	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a1822cb524e89b4cd2cf0b82e484a2335496a6d9	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f953f11ccf4afe6feb635c08145f4240d9a6b544	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	*
linux	linux_kernel	2.6.12
linux	linux_kernel	2.6.12
linux	linux_kernel	2.6.12
linux	linux_kernel	2.6.12
linux	linux_kernel	2.6.12
linux	linux_kernel	2.6.12
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0

JSON

To clipboard

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}

CVE-2026-31417 (GCVE-0-2026-31417)

Vulnerability from cvelistv5 – Published: 2026-04-13 13:21 – Updated: 2026-05-11 22:08

Title

net/x25: Fix overflow when accumulating packets

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/96fc16370b0bceb28…
https://git.kernel.org/stable/c/798d613afb64b01a2…
https://git.kernel.org/stable/c/6e568835ea54a3e1d…
https://git.kernel.org/stable/c/1734bd85c5e0a7a80…
https://git.kernel.org/stable/c/4e2d1bcef78d21247…
https://git.kernel.org/stable/c/8c92969c197b91c13…
https://git.kernel.org/stable/c/f953f11ccf4afe6fe…
https://git.kernel.org/stable/c/a1822cb524e89b4cd…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 96fc16370b0bceb289c7e0479bd0540b81e257aa (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 798d613afb64b01a203f448fb0f43c37c6afe79d (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6e568835ea54a3e1d08e310e34f95d434e739477 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 1734bd85c5e0a7a801295b729efb56b009cb8fc3 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 4e2d1bcef78d21247fe8fef13bc7ed95885df2b5 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 8c92969c197b91c134be27dc3afb64ab468853a9 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f953f11ccf4afe6feb635c08145f4240d9a6b544 (git) Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a1822cb524e89b4cd2cf0b82e484a2335496a6d9 (git)
Linux	Linux	Affected: 2.6.12 Unaffected: 0 , < 2.6.12 (semver) Unaffected: 5.10.253 , ≤ 5.10.* (semver) Unaffected: 5.15.203 , ≤ 5.15.* (semver) Unaffected: 6.1.168 , ≤ 6.1.* (semver) Unaffected: 6.6.134 , ≤ 6.6.* (semver) Unaffected: 6.12.81 , ≤ 6.12.* (semver) Unaffected: 6.18.22 , ≤ 6.18.* (semver) Unaffected: 6.19.12 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/x25/x25_in.c",
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        },
        {
          "url": "https://git.kernel.org/stable/c/1734bd85c5e0a7a801295b729efb56b009cb8fc3"
        },
        {
          "url": "https://git.kernel.org/stable/c/4e2d1bcef78d21247fe8fef13bc7ed95885df2b5"
        },
        {
          "url": "https://git.kernel.org/stable/c/8c92969c197b91c134be27dc3afb64ab468853a9"
        },
        {
          "url": "https://git.kernel.org/stable/c/f953f11ccf4afe6feb635c08145f4240d9a6b544"
        },
        {
          "url": "https://git.kernel.org/stable/c/a1822cb524e89b4cd2cf0b82e484a2335496a6d9"
        }
      ],
      "title": "net/x25: Fix overflow when accumulating packets",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31417",
    "datePublished": "2026-04-13T13:21:04.638Z",
    "dateReserved": "2026-03-09T15:48:24.087Z",
    "dateUpdated": "2026-05-11T22:08:18.396Z",
    "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-2026-31417

CVE-2026-31417 (GCVE-0-2026-31417)

Tags

Sightings

Nomenclature