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vuln-cve/data/2025/68xxx/CVE-2025-68818.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-68818",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-12-24T10:30:51.048Z",
"datePublished": "2026-01-13T15:29:22.018Z",
"dateUpdated": "2026-11-10T12:38:40.620Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-08-05T12:11:45.852Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: Revert \"scsi: qla2xxx: Perform lockless command completion in abort path\"\n\nThis reverts commit 0367076b0817d5c75dfb83001ce7ce5c64d803a9.\n\nThe commit being reverted added code to __qla2x00_abort_all_cmds() to\ncall sp->done() without holding a spinlock. But unlike the older code\nbelow it, this new code failed to check sp->cmd_type and just assumed\nTYPE_SRB, which results in a jump to an invalid pointer in target-mode\nwith TYPE_TGT_CMD:\n\nqla2xxx [0000:65:00.0]-d034:8: qla24xx_do_nack_work create sess success\n 0000000009f7a79b\nqla2xxx [0000:65:00.0]-5003:8: ISP System Error - mbx1=1ff5h mbx2=10h\n mbx3=0h mbx4=0h mbx5=191h mbx6=0h mbx7=0h.\nqla2xxx [0000:65:00.0]-d01e:8: -> fwdump no buffer\nqla2xxx [0000:65:00.0]-f03a:8: qla_target(0): System error async event\n 0x8002 occurred\nqla2xxx [0000:65:00.0]-00af:8: Performing ISP error recovery -\n ha=0000000058183fda.\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nPF: supervisor instruction fetch in kernel mode\nPF: error_code(0x0010) - not-present page\nPGD 0 P4D 0\nOops: 0010 [#1] SMP\nCPU: 2 PID: 9446 Comm: qla2xxx_8_dpc Tainted: G O 6.1.133 #1\nHardware name: Supermicro Super Server/X11SPL-F, BIOS 4.2 12/15/2023\nRIP: 0010:0x0\nCode: Unable to access opcode bytes at 0xffffffffffffffd6.\nRSP: 0018:ffffc90001f93dc8 EFLAGS: 00010206\nRAX: 0000000000000282 RBX: 0000000000000355 RCX: ffff88810d16a000\nRDX: ffff88810dbadaa8 RSI: 0000000000080000 RDI: ffff888169dc38c0\nRBP: ffff888169dc38c0 R08: 0000000000000001 R09: 0000000000000045\nR10: ffffffffa034bdf0 R11: 0000000000000000 R12: ffff88810800bb40\nR13: 0000000000001aa8 R14: ffff888100136610 R15: ffff8881070f7400\nFS: 0000000000000000(0000) GS:ffff88bf80080000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffffffffffffd6 CR3: 000000010c8ff006 CR4: 00000000003706e0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n ? __die+0x4d/0x8b\n ? page_fault_oops+0x91/0x180\n ? trace_buffer_unlock_commit_regs+0x38/0x1a0\n ? exc_page_fault+0x391/0x5e0\n ? asm_exc_page_fault+0x22/0x30\n __qla2x00_abort_all_cmds+0xcb/0x3e0 [qla2xxx_scst]\n qla2x00_abort_all_cmds+0x50/0x70 [qla2xxx_scst]\n qla2x00_abort_isp_cleanup+0x3b7/0x4b0 [qla2xxx_scst]\n qla2x00_abort_isp+0xfd/0x860 [qla2xxx_scst]\n qla2x00_do_dpc+0x581/0xa40 [qla2xxx_scst]\n kthread+0xa8/0xd0\n </TASK>\n\nThen commit 4475afa2646d (\"scsi: qla2xxx: Complete command early within\nlock\") added the spinlock back, because not having the lock caused a\nrace and a crash. But qla2x00_abort_srb() in the switch below already\nchecks for qla2x00_chip_is_down() and handles it the same way, so the\ncode above the switch is now redundant and still buggy in target-mode.\nRemove it."
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.8,
"baseSeverity": "HIGH"
},
"scenarios": [
{
"lang": "en",
"value": "AV:A - An attacker must send FCP traffic from the same Fibre Channel or FCoE fabric as the configured qla2xxx target, making this an adjacent logical-network attack.\nAC:L - An initiator can keep TYPE_TGT_CMD CTIOs outstanding while inducing reset handling through exchange-starvation or repeated ABTS/FCP traffic, so the attacker controls the necessary command and reset conditions.\nPR:N - Dynamic demo-mode node ACL generation is enabled by default, and even a login-only session can submit an unmapped-LUN command that queues a CHECK CONDITION CTIO without target credentials.\nUI:N - After the target is configured and active, malicious fabric traffic alone reaches the vulnerable abort path without victim action.\nS:U - The vulnerable qla2xxx driver and the affected kernel resources share the same security authority; kernel compromise does not itself cross a CVSS scope boundary.\nC:H - The TYPE_TGT_CMD-to-SRB confusion makes sp->done alias se_cmd.priv; with a pSCSI backend this can target request memory containing attacker-controlled CDB data, making kernel control-flow hijacking and arbitrary memory disclosure defensible.\nI:H - The attacker-influenced indirect call through backend-private command memory can potentially provide kernel code execution and arbitrary modification, rather than being limited to the observed NULL call.\nA:H - The demonstrated result is an invalid supervisor instruction fetch and kernel oops, and repeatable fabric traffic can crash or continually reset the storage target."
}
]
}
],
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],
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},
{
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},
{
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},
{
"version": "5.10.177",
"lessThan": "5.10.248",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.15.105",
"lessThan": "5.15.198",
"status": "affected",
"versionType": "semver"
},
{
"version": "6.1.22",
"lessThan": "6.1.160",
"status": "affected",
"versionType": "semver"
},
{
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"lessThan": "5.5",
"status": "affected",
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},
{
"version": "6.2.9",
"lessThan": "6.3",
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}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/scsi/qla2xxx/qla_os.c"
],
"versions": [
{
"version": "6.3",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.3",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.248",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
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"lessThanOrEqual": "5.15.*",
"status": "unaffected",
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},
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"lessThanOrEqual": "6.1.*",
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},
{
"version": "6.6.120",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.64",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.3",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10.177",
"versionEndExcluding": "5.10.248"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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},
{
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"references": [
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"url": "https://git.kernel.org/stable/c/b04b3733fff7e94566386b962e4795550fbdfd3d"
},
{
"url": "https://git.kernel.org/stable/c/50b097d92c99f718831b8b349722bc79f718ba1b"
},
{
"url": "https://git.kernel.org/stable/c/c5c37a821bd1708f26a9522b4a6f47b9f7a20003"
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{
"url": "https://git.kernel.org/stable/c/e9e601b7df58ba0c667baf30263331df2c02ffe1"
},
{
"url": "https://git.kernel.org/stable/c/b10ebbfd59a535c8d22f4ede6e8389622ce98dc0"
},
{
"url": "https://git.kernel.org/stable/c/1c728951bc769b795d377852eae1abddad88635d"
},
{
"url": "https://git.kernel.org/stable/c/b57fbc88715b6d18f379463f48a15b560b087ffe"
}
],
"title": "scsi: Revert \"scsi: qla2xxx: Perform lockless command completion in abort path\"",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
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"providerMetadata": {
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"shortName": "siemens-SADP",
"dateUpdated": "2026-11-10T12:38:40.620Z"
},
"affected": [
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
{
"status": "affected",
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],
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{
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{
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},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"
}
]
},
{
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-476",
"lang": "en",
"description": "CWE-476 NULL Pointer Dereference"
}
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-16T15:05:29.798762Z",
"id": "CVE-2025-68818",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-10-19T18:05:54.727Z"
}
}
]
}
}
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