cve-2022-48692
Vulnerability from cvelistv5
Published
2024-05-03 15:05
Modified
2024-11-04 12:14
Severity ?
EPSS score ?
Summary
RDMA/srp: Set scmnd->result only when scmnd is not NULL
References
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"timestamp": "2024-09-10T15:43:36.035080Z",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/srp: Set scmnd-\u003eresult only when scmnd is not NULL\n\nThis change fixes the following kernel NULL pointer dereference\nwhich is reproduced by blktests srp/007 occasionally.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000170\nPGD 0 P4D 0\nOops: 0002 [#1] PREEMPT SMP NOPTI\nCPU: 0 PID: 9 Comm: kworker/0:1H Kdump: loaded Not tainted 6.0.0-rc1+ #37\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.15.0-29-g6a62e0cb0dfe-prebuilt.qemu.org 04/01/2014\nWorkqueue: 0x0 (kblockd)\nRIP: 0010:srp_recv_done+0x176/0x500 [ib_srp]\nCode: 00 4d 85 ff 0f 84 52 02 00 00 48 c7 82 80 02 00 00 00 00 00 00 4c 89 df 4c 89 14 24 e8 53 d3 4a f6 4c 8b 14 24 41 0f b6 42 13 \u003c41\u003e 89 87 70 01 00 00 41 0f b6 52 12 f6 c2 02 74 44 41 8b 42 1c b9\nRSP: 0018:ffffaef7c0003e28 EFLAGS: 00000282\nRAX: 0000000000000000 RBX: ffff9bc9486dea60 RCX: 0000000000000000\nRDX: 0000000000000102 RSI: ffffffffb76bbd0e RDI: 00000000ffffffff\nRBP: ffff9bc980099a00 R08: 0000000000000001 R09: 0000000000000001\nR10: ffff9bca53ef0000 R11: ffff9bc980099a10 R12: ffff9bc956e14000\nR13: ffff9bc9836b9cb0 R14: ffff9bc9557b4480 R15: 0000000000000000\nFS: 0000000000000000(0000) GS:ffff9bc97ec00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000170 CR3: 0000000007e04000 CR4: 00000000000006f0\nCall Trace:\n \u003cIRQ\u003e\n __ib_process_cq+0xb7/0x280 [ib_core]\n ib_poll_handler+0x2b/0x130 [ib_core]\n irq_poll_softirq+0x93/0x150\n __do_softirq+0xee/0x4b8\n irq_exit_rcu+0xf7/0x130\n sysvec_apic_timer_interrupt+0x8e/0xc0\n \u003c/IRQ\u003e"
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"nvd": "{\"cve\":{\"id\":\"CVE-2022-48692\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-03T15:15:07.943\",\"lastModified\":\"2024-05-23T20:34:02.510\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nRDMA/srp: Set scmnd-\u003eresult only when scmnd is not NULL\\n\\nThis change fixes the following kernel NULL pointer dereference\\nwhich is reproduced by blktests srp/007 occasionally.\\n\\nBUG: kernel NULL pointer dereference, address: 0000000000000170\\nPGD 0 P4D 0\\nOops: 0002 [#1] PREEMPT SMP NOPTI\\nCPU: 0 PID: 9 Comm: kworker/0:1H Kdump: loaded Not tainted 6.0.0-rc1+ #37\\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.15.0-29-g6a62e0cb0dfe-prebuilt.qemu.org 04/01/2014\\nWorkqueue: 0x0 (kblockd)\\nRIP: 0010:srp_recv_done+0x176/0x500 [ib_srp]\\nCode: 00 4d 85 ff 0f 84 52 02 00 00 48 c7 82 80 02 00 00 00 00 00 00 4c 89 df 4c 89 14 24 e8 53 d3 4a f6 4c 8b 14 24 41 0f b6 42 13 \u003c41\u003e 89 87 70 01 00 00 41 0f b6 52 12 f6 c2 02 74 44 41 8b 42 1c b9\\nRSP: 0018:ffffaef7c0003e28 EFLAGS: 00000282\\nRAX: 0000000000000000 RBX: ffff9bc9486dea60 RCX: 0000000000000000\\nRDX: 0000000000000102 RSI: ffffffffb76bbd0e RDI: 00000000ffffffff\\nRBP: ffff9bc980099a00 R08: 0000000000000001 R09: 0000000000000001\\nR10: ffff9bca53ef0000 R11: ffff9bc980099a10 R12: ffff9bc956e14000\\nR13: ffff9bc9836b9cb0 R14: ffff9bc9557b4480 R15: 0000000000000000\\nFS: 0000000000000000(0000) GS:ffff9bc97ec00000(0000) knlGS:0000000000000000\\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\nCR2: 0000000000000170 CR3: 0000000007e04000 CR4: 00000000000006f0\\nCall Trace:\\n \u003cIRQ\u003e\\n __ib_process_cq+0xb7/0x280 [ib_core]\\n ib_poll_handler+0x2b/0x130 [ib_core]\\n irq_poll_softirq+0x93/0x150\\n __do_softirq+0xee/0x4b8\\n irq_exit_rcu+0xf7/0x130\\n sysvec_apic_timer_interrupt+0x8e/0xc0\\n \u003c/IRQ\u003e\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: RDMA/srp: establezca scmnd-\u0026gt;result solo cuando scmnd no sea NULL. Este cambio corrige la siguiente desreferencia del puntero NULL del kernel que blktests srp/007 reproduce ocasionalmente. ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000170 PGD 0 P4D 0 Ups: 0002 [#1] PREEMPT SMP NOPTI CPU: 0 PID: 9 Comm: kworker/0:1H Kdump: cargado No contaminado 6.0.0-rc1+ #37 Hardware nombre: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009), BIOS rel-1.15.0-29-g6a62e0cb0dfe-prebuilt.qemu.org 01/04/2014 Cola de trabajo: 0x0 (kblockd) RIP: 0010:srp_recv_done+0x176/0x500 [ ib_srp] C\u00f3digo: 00 4d 85 ff 0f 84 52 02 00 00 48 c7 82 80 02 00 00 00 00 00 00 4c 89 df 4c 89 14 24 e8 53 d3 4a f6 4c 8b 14 24 41 0f b6 2 13 \u0026lt;41\u0026gt; 89 87 70 01 00 00 41 0f b6 52 12 f6 c2 02 74 44 41 8b 42 1c b9 RSP: 0018:ffffaef7c0003e28 EFLAGS: 00000282 RAX: 0000000000000000 RBX: ffff9bc94 86dea60 RCX: 0000000000000000 RDX: 00000000000000102 RSI: ffffffffb76bbd0e RDI: 00000000ffffffff RBP: ffff9bc980099a00 R08 : 0000000000000001 R09: 0000000000000001 R10: ffff9bca53ef0000 R11: ffff9bc980099a10 R12: ffff9bc956e14000 R13: ffff9bc9836b9cb0 R14: 4480 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff9bc97ec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 080050033 CR2: 0000000000000170 CR3: 0000000007e04000 CR4: 00000000000006f0 Seguimiento de llamadas: __ib_process_cq+0xb7/0x280 [ib_core] ib_poll_handler+0x2b/0x130 [ib_core] q+0x93/0x150 __do_softirq+0xee/0x4b8 irq_exit_rcu+0xf7/0x130 sysvec_apic_timer_interrupt+0x8e/ 0xc0\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.14\",\"versionEndExcluding\":\"5.15.68\",\"matchCriteriaId\":\"EF0CCD73-0A46-4D6A-91C7-4B2C95B8BED0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.19.9\",\"matchCriteriaId\":\"B4895A99-6E1B-4C76-A510-FDED00AD7D29\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/12f35199a2c0551187edbf8eb01379f0598659fa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a8edd49c94b4b08019ed7d6dd794fca8078a4deb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f022576aa03c2385ea7f2b27ee5b331e43abf624\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f2c70f56f762e5dc3b0d7dc438fbb137cb116413\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.