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long')\nCPU: 16 PID: 0 Comm: swapper/16 Tainted: G S E N 6.9.0-0_fbk700_debug_rc2_kbuilder_0_gc85af715cac0 #1\nHardware name: Quanta Twin Lakes MP/Twin Lakes Passive MP, BIOS F09_3A23 12/08/2020\nCall Trace:\n <IRQ>\n dump_stack_lvl+0x8f/0xe0\n __ubsan_handle_shift_out_of_bounds+0x22c/0x280\n iocg_kick_delay+0x30b/0x310\n ioc_timer_fn+0x2fb/0x1f80\n __run_timer_base+0x1b6/0x250\n...\n\nAvoid that undefined behavior by simply taking the\n\"delay = 0\" branch if the shift is too large.\n\nI am not sure what the symptoms of an undefined value\ndelay will be, but I suspect it could be more than a\nlittle annoying to debug."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["block/blk-iocost.c"], "versions": [{"version": "5160a5a53c0c4ae3708959d9465ea43ad5d90542", "lessThan": "62accf6c1d7b433752cb3591bba8967b7a801ad5", "status": "affected", "versionType": "git"}, 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "33BC179F-8A9D-4682-A5EB-907707F30FC5", "versionEndExcluding": "5.10.217", "versionStartIncluding": "5.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F16678CD-F7C6-4BF6-ABA8-E7600857197B", "versionEndExcluding": "5.15.159", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4F8C886C-75AA-469B-A6A9-12BF1A29C0D5", "versionEndExcluding": "6.1.91", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDDB1F69-36AC-41C1-9192-E7CCEF5FFC00", "versionEndExcluding": "6.6.31", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6A6B920C-8D8F-4130-86B4-AD334F4CF2E3", "versionEndExcluding": "6.8.10", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*", "matchCriteriaId": "22BEDD49-2C6D-402D-9DBF-6646F6ECD10B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*", "matchCriteriaId": "DF73CB2A-DFFD-46FB-9BFE-AA394F27EA37", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:*", "matchCriteriaId": "52048DDA-FC5A-4363-95A0-A6357B4D7F8C", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-iocost: avoid out of bounds shift\n\nUBSAN catches undefined behavior in blk-iocost, where sometimes\niocg->delay is shifted right by a number that is too large,\nresulting in undefined behavior on some architectures.\n\n[ 186.556576] ------------[ cut here ]------------\nUBSAN: shift-out-of-bounds in block/blk-iocost.c:1366:23\nshift exponent 64 is too large for 64-bit type 'u64' (aka 'unsigned long long')\nCPU: 16 PID: 0 Comm: swapper/16 Tainted: G S E N 6.9.0-0_fbk700_debug_rc2_kbuilder_0_gc85af715cac0 #1\nHardware name: Quanta Twin Lakes MP/Twin Lakes Passive MP, BIOS F09_3A23 12/08/2020\nCall Trace:\n <IRQ>\n dump_stack_lvl+0x8f/0xe0\n __ubsan_handle_shift_out_of_bounds+0x22c/0x280\n iocg_kick_delay+0x30b/0x310\n ioc_timer_fn+0x2fb/0x1f80\n __run_timer_base+0x1b6/0x250\n...\n\nAvoid that undefined behavior by simply taking the\n\"delay = 0\" branch if the shift is too large.\n\nI am not sure what the symptoms of an undefined value\ndelay will be, but I suspect it could be more than a\nlittle annoying to debug."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: blk-iocost: evita cambios fuera de los l\u00edmites UBSAN detecta un comportamiento indefinido en blk-iocost, donde a veces iocg-&gt;delay se desplaza hacia la derecha en un n\u00famero demasiado grande, lo que resulta en un estado indefinido. comportamiento en algunas arquitecturas. [186.556576] ------------[ cortar aqu\u00ed ]------------ UBSAN: desplazamiento fuera de los l\u00edmites en block/blk-iocost.c:1366 :23 exponente de desplazamiento 64 es demasiado grande para el tipo de 64 bits 'u64' (tambi\u00e9n conocido como 'unsigned long long') CPU: 16 PID: 0 Comm: swapper/16 Tainted: GSEN 6.9.0-0_fbk700_debug_rc2_kbuilder_0_gc85af715cac0 #1 Nombre de hardware: Quanta Twin Lakes MP/Twin Lakes MP pasivo, BIOS F09_3A23 08/12/2020 Seguimiento de llamadas: dump_stack_lvl+0x8f/0xe0 __ubsan_handle_shift_out_of_bounds+0x22c/0x280 iocg_kick_delay+0x30b/0x310 ioc_timer_fn+0x2fb/0x 1f80 __run_timer_base+0x1b6/0x250 ... Evitar ese comportamiento indefinido simplemente tomando la rama \"retraso = 0\" si el cambio es demasiado grande. No estoy seguro de cu\u00e1les ser\u00e1n los s\u00edntomas de un retraso de valor indefinido, pero sospecho que podr\u00eda ser m\u00e1s que molesto depurarlo."}], "id": "CVE-2024-36916", "lastModified": "2026-05-12T12:16:50.163", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-05-30T16:15:14.963", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/488dc6808cb8369685f18cee81e88e7052ac153b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/62accf6c1d7b433752cb3591bba8967b7a801ad5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/844fc023e9f14a4fb1de5ae1eaefafd6d69c5fa1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/beaa51b36012fad5a4d3c18b88a617aea7a9b96d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ce0e99cae00e3131872936713b7f55eefd53ab86"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f6add0a6f78dc6360b822ca4b6f9f2f14174c8ca"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/488dc6808cb8369685f18cee81e88e7052ac153b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/62accf6c1d7b433752cb3591bba8967b7a801ad5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/844fc023e9f14a4fb1de5ae1eaefafd6d69c5fa1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/beaa51b36012fad5a4d3c18b88a617aea7a9b96d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ce0e99cae00e3131872936713b7f55eefd53ab86"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f6add0a6f78dc6360b822ca4b6f9f2f14174c8ca"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20240905-0006/"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-613116.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: blk-iocost: avoid out of bounds shift", "id": "2284521", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2284521"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nblk-iocost: avoid out of bounds shift\nUBSAN catches undefined behavior in blk-iocost, where sometimes\niocg->delay is shifted right by a number that is too large,\nresulting in undefined behavior on some architectures.\n[ 186.556576] ------------[ cut here ]------------\nUBSAN: shift-out-of-bounds in block/blk-iocost.c:1366:23\nshift exponent 64 is too large for 64-bit type 'u64' (aka 'unsigned long long')\nCPU: 16 PID: 0 Comm: swapper/16 Tainted: G S E N 6.9.0-0_fbk700_debug_rc2_kbuilder_0_gc85af715cac0 #1\nHardware name: Quanta Twin Lakes MP/Twin Lakes Passive MP, BIOS F09_3A23 12/08/2020\nCall Trace:\n<IRQ>\ndump_stack_lvl+0x8f/0xe0\n__ubsan_handle_shift_out_of_bounds+0x22c/0x280\niocg_kick_delay+0x30b/0x310\nioc_timer_fn+0x2fb/0x1f80\n__run_timer_base+0x1b6/0x250\n...\nAvoid that undefined behavior by simply taking the\n\"delay = 0\" branch if the shift is too large.\nI am not sure what the symptoms of an undefined value\ndelay will be, but I suspect it could be more than a\nlittle annoying to debug."], "name": "CVE-2024-36916", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-36916\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36916\nhttps://lore.kernel.org/linux-cve-announce/2024053038-CVE-2024-36916-ebf8@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-07-12T15:42:35.233077+00:00", "updated": "2025-07-12T15:42:35.233183+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}