{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "08021f2d4a557d6491e3bcc288e96425f50aa3cf"
            },
            {
              "fixed": "f4b64488f3deca63f7fbc7d7c3835b2e668003f9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "f403094d9075d7c565a3d81002b781c325cb3c07"
            },
            {
              "fixed": "12deeade460d47031267256ba07add51cc7eabd0"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "2feec5ae5df785658924ab6bd91280dc3926507c"
            },
            {
              "fixed": "c72e81ee46bdd4c221114d6e9515e9b4647616d7"
            },
            {
              "fixed": "ab243f74ab4084ca5c8dec608cb5b0deb27db067"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "2dd67966f39a2abf8ccb4865031c722e40e01b7f"
            },
            {
              "last_affected": "ee0180e77e6c8482644569632065411de844c515"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.12.81"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.18.22"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.6.134"
            },
            {
              "fixed": "6.7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.19.12"
            },
            {
              "fixed": "6.20"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98155.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/qaic: Address potential out-of-bounds read in resp_worker()\n\nAlthough 'commit 2feec5ae5df7 (\"accel/qaic: Handle DBC deactivation if the\nowner went away\")' fixes the scenario it was intended for by walking the\nmessage and only decoding QAIC_TRANS_DEACTIVATE_FROM_DEV, if present, it\nskipped over the bounds checking code that is included in decode_message().\nThis could lead to issues such as reading past the slab allocation's end,\ninfinite loops or kernel panics. For those issues to happen, a malformed\nwire message is needed to be sent from the device.\n\nInstead of duplicating the bounds checking code already present in\ndecode_message(), use the function inside resp_worker().",
  "id": "CVE-2026-98155",
  "modified": "2026-09-27T03:30:41.524936403Z",
  "published": "2026-09-25T10:36:25.812Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/12deeade460d47031267256ba07add51cc7eabd0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ab243f74ab4084ca5c8dec608cb5b0deb27db067"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c72e81ee46bdd4c221114d6e9515e9b4647616d7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f4b64488f3deca63f7fbc7d7c3835b2e668003f9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98155.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98155"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "accel/qaic: Address potential out-of-bounds read in resp_worker()"
}