ghsa-3rgg-fv5r-qj8f
Vulnerability from github
Published
2024-05-01 06:31
Modified
2024-06-03 18:55
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

In the Linux kernel, the following vulnerability has been resolved:

scsi: qla2xxx: Fix double free of fcport

The server was crashing after LOGO because fcport was getting freed twice.

-----------[ cut here ]----------- kernel BUG at mm/slub.c:371! invalid opcode: 0000 1 SMP PTI CPU: 35 PID: 4610 Comm: bash Kdump: loaded Tainted: G OE --------- - - 4.18.0-425.3.1.el8.x86_64 #1 Hardware name: HPE ProLiant DL360 Gen10/ProLiant DL360 Gen10, BIOS U32 09/03/2021 RIP: 0010:set_freepointer.part.57+0x0/0x10 RSP: 0018:ffffb07107027d90 EFLAGS: 00010246 RAX: ffff9cb7e3150000 RBX: ffff9cb7e332b9c0 RCX: ffff9cb7e3150400 RDX: 0000000000001f37 RSI: 0000000000000000 RDI: ffff9cb7c0005500 RBP: fffff693448c5400 R08: 0000000080000000 R09: 0000000000000009 R10: 0000000000000000 R11: 0000000000132af0 R12: ffff9cb7c0005500 R13: ffff9cb7e3150000 R14: ffffffffc06990e0 R15: ffff9cb7ea85ea58 FS: 00007ff6b79c2740(0000) GS:ffff9cb8f7ec0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b426b7d700 CR3: 0000000169c18002 CR4: 00000000007706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: kfree+0x238/0x250 qla2x00_els_dcmd_sp_free+0x20/0x230 [qla2xxx] ? qla24xx_els_dcmd_iocb+0x607/0x690 [qla2xxx] qla2x00_issue_logo+0x28c/0x2a0 [qla2xxx] ? qla2x00_issue_logo+0x28c/0x2a0 [qla2xxx] ? kernfs_fop_write+0x11e/0x1a0

Remove one of the free calls and add check for valid fcport. Also use function qla2x00_free_fcport() instead of kfree().

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2024-26929"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-415"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T06:15:07Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix double free of fcport\n\nThe server was crashing after LOGO because fcport was getting freed twice.\n\n -----------[ cut here ]-----------\n kernel BUG at mm/slub.c:371!\n invalid opcode: 0000 1 SMP PTI\n CPU: 35 PID: 4610 Comm: bash Kdump: loaded Tainted: G OE --------- - - 4.18.0-425.3.1.el8.x86_64 #1\n Hardware name: HPE ProLiant DL360 Gen10/ProLiant DL360 Gen10, BIOS U32 09/03/2021\n RIP: 0010:set_freepointer.part.57+0x0/0x10\n RSP: 0018:ffffb07107027d90 EFLAGS: 00010246\n RAX: ffff9cb7e3150000 RBX: ffff9cb7e332b9c0 RCX: ffff9cb7e3150400\n RDX: 0000000000001f37 RSI: 0000000000000000 RDI: ffff9cb7c0005500\n RBP: fffff693448c5400 R08: 0000000080000000 R09: 0000000000000009\n R10: 0000000000000000 R11: 0000000000132af0 R12: ffff9cb7c0005500\n R13: ffff9cb7e3150000 R14: ffffffffc06990e0 R15: ffff9cb7ea85ea58\n FS: 00007ff6b79c2740(0000) GS:ffff9cb8f7ec0000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 000055b426b7d700 CR3: 0000000169c18002 CR4: 00000000007706e0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n PKRU: 55555554\n Call Trace:\n kfree+0x238/0x250\n qla2x00_els_dcmd_sp_free+0x20/0x230 [qla2xxx]\n ? qla24xx_els_dcmd_iocb+0x607/0x690 [qla2xxx]\n qla2x00_issue_logo+0x28c/0x2a0 [qla2xxx]\n ? qla2x00_issue_logo+0x28c/0x2a0 [qla2xxx]\n ? kernfs_fop_write+0x11e/0x1a0\n\nRemove one of the free calls and add check for valid fcport. Also use\nfunction qla2x00_free_fcport() instead of kfree().",
  "id": "GHSA-3rgg-fv5r-qj8f",
  "modified": "2024-06-03T18:55:50Z",
  "published": "2024-05-01T06:31:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26929"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/282877633b25d67021a34169c5b5519b1d4ef65e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/82f522ae0d97119a43da53e0f729275691b9c525"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/846fb9f112f618ec6ae181d8dae7961652574774"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b43d2884b54d415caab48878b526dfe2ae9921b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b03e626bd6d3f0684f56ee1890d70fc9ca991c04"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f85af9f1aa5e2f53694a6cbe72010f754b5ff862"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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