cve-2024-42136
Vulnerability from cvelistv5
Published
2024-07-30 07:46
Modified
2024-11-05 09:38
Severity ?
Summary
cdrom: rearrange last_media_change check to avoid unintentional overflow
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0c97527e916054acc4a46ffb02842988acb2e92bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3ee21e14c8c329168a0b66bab00ecd18f5d0dee3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e809bc112712da8f7e15822674c6562da6cdf24cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/efb905aeb44b0e99c0e6b07865b1885ae0471ebfPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0c97527e916054acc4a46ffb02842988acb2e92bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3ee21e14c8c329168a0b66bab00ecd18f5d0dee3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e809bc112712da8f7e15822674c6562da6cdf24cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/efb905aeb44b0e99c0e6b07865b1885ae0471ebfPatch
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website

To clipboard 

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                "id": "CVE-2024-42136",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncdrom: rearrange last_media_change check to avoid unintentional overflow\n\nWhen running syzkaller with the newly reintroduced signed integer wrap\nsanitizer we encounter this splat:\n\n[  366.015950] UBSAN: signed-integer-overflow in ../drivers/cdrom/cdrom.c:2361:33\n[  366.021089] -9223372036854775808 - 346321 cannot be represented in type \u0027__s64\u0027 (aka \u0027long long\u0027)\n[  366.025894] program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO\n[  366.027502] CPU: 5 PID: 28472 Comm: syz-executor.7 Not tainted 6.8.0-rc2-00035-gb3ef86b5a957 #1\n[  366.027512] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[  366.027518] Call Trace:\n[  366.027523]  \u003cTASK\u003e\n[  366.027533]  dump_stack_lvl+0x93/0xd0\n[  366.027899]  handle_overflow+0x171/0x1b0\n[  366.038787] ata1.00: invalid multi_count 32 ignored\n[  366.043924]  cdrom_ioctl+0x2c3f/0x2d10\n[  366.063932]  ? __pm_runtime_resume+0xe6/0x130\n[  366.071923]  sr_block_ioctl+0x15d/0x1d0\n[  366.074624]  ? __pfx_sr_block_ioctl+0x10/0x10\n[  366.077642]  blkdev_ioctl+0x419/0x500\n[  366.080231]  ? __pfx_blkdev_ioctl+0x10/0x10\n...\n\nHistorically, the signed integer overflow sanitizer did not work in the\nkernel due to its interaction with `-fwrapv` but this has since been\nchanged [1] in the newest version of Clang. It was re-enabled in the\nkernel with Commit 557f8c582a9ba8ab (\"ubsan: Reintroduce signed overflow\nsanitizer\").\n\nLet\u0027s rearrange the check to not perform any arithmetic, thus not\ntripping the sanitizer."
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-42136",
    "datePublished": "2024-07-30T07:46:30.975Z",
    "dateReserved": "2024-07-29T15:50:41.187Z",
    "dateUpdated": "2024-11-05T09:38:05.978Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-42136\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-30T08:15:05.507\",\"lastModified\":\"2024-11-21T09:33:40.673\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncdrom: rearrange last_media_change check to avoid unintentional overflow\\n\\nWhen running syzkaller with the newly reintroduced signed integer wrap\\nsanitizer we encounter this splat:\\n\\n[  366.015950] UBSAN: signed-integer-overflow in ../drivers/cdrom/cdrom.c:2361:33\\n[  366.021089] -9223372036854775808 - 346321 cannot be represented in type \u0027__s64\u0027 (aka \u0027long long\u0027)\\n[  366.025894] program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO\\n[  366.027502] CPU: 5 PID: 28472 Comm: syz-executor.7 Not tainted 6.8.0-rc2-00035-gb3ef86b5a957 #1\\n[  366.027512] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\\n[  366.027518] Call Trace:\\n[  366.027523]  \u003cTASK\u003e\\n[  366.027533]  dump_stack_lvl+0x93/0xd0\\n[  366.027899]  handle_overflow+0x171/0x1b0\\n[  366.038787] ata1.00: invalid multi_count 32 ignored\\n[  366.043924]  cdrom_ioctl+0x2c3f/0x2d10\\n[  366.063932]  ? __pm_runtime_resume+0xe6/0x130\\n[  366.071923]  sr_block_ioctl+0x15d/0x1d0\\n[  366.074624]  ? __pfx_sr_block_ioctl+0x10/0x10\\n[  366.077642]  blkdev_ioctl+0x419/0x500\\n[  366.080231]  ? __pfx_blkdev_ioctl+0x10/0x10\\n...\\n\\nHistorically, the signed integer overflow sanitizer did not work in the\\nkernel due to its interaction with `-fwrapv` but this has since been\\nchanged [1] in the newest version of Clang. It was re-enabled in the\\nkernel with Commit 557f8c582a9ba8ab (\\\"ubsan: Reintroduce signed overflow\\nsanitizer\\\").\\n\\nLet\u0027s rearrange the check to not perform any arithmetic, thus not\\ntripping the sanitizer.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cdrom: reorganice la verificaci\u00f3n de last_media_change para evitar un desbordamiento involuntario. Al ejecutar syzkaller con el sanitizador de ajuste de enteros firmado recientemente reintroducido, nos encontramos con este s\u00edmbolo: [366.015950] UBSAN: desbordamiento de enteros firmados en .. /drivers/cdrom/cdrom.c:2361:33 [ 366.021089] -9223372036854775808 - 346321 no se puede representar en el tipo \u0027__s64\u0027 (tambi\u00e9n conocido como \u0027long long\u0027) [ 366.025894] El programa syz-executor.4 est\u00e1 utilizando un ioctl SCSI obsoleto, convi\u00e9rtalo a SG_IO [366.027502] CPU: 5 PID: 28472 Comm: syz-executor.7 Not tainted 6.8.0-rc2-00035-gb3ef86b5a957 #1 [366.027512] Nombre de hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996) , BIOS 1.16.3-debian-1.16.3-2 01/04/2014 [ 366.027518] Seguimiento de llamadas: [ 366.027523]  [ 366.027533] dump_stack_lvl+0x93/0xd0 [ 366.027899] 1b0 [366.038787] ata1 .00: \u00bfmulti_count 32 no v\u00e1lido se ignora [366.043924] cdrom_ioctl+0x2c3f/0x2d10 [366.063932]? __pm_runtime_resume+0xe6/0x130 [ 366.071923] sr_block_ioctl+0x15d/0x1d0 [ 366.074624] ? __pfx_sr_block_ioctl+0x10/0x10 [ 366.077642] blkdev_ioctl+0x419/0x500 [ 366.080231] ? __pfx_blkdev_ioctl+0x10/0x10 ... Hist\u00f3ricamente, el sanitizador de desbordamiento de enteros con signo no funcionaba en el kernel debido a su interacci\u00f3n con `-fwrapv` pero desde entonces esto se ha cambiado [1] en la versi\u00f3n m\u00e1s reciente de Clang. Se volvi\u00f3 a habilitar en el kernel con el compromiso 557f8c582a9ba8ab (\\\"ubsan: reintroducir el sanitizadorde desbordamiento firmado\\\"). Reorganicemos la verificaci\u00f3n para no realizar ninguna aritm\u00e9tica y as\u00ed no activar el sanitizador.\"}],\"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:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-190\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.1.98\",\"matchCriteriaId\":\"59AC0B46-8C0D-4C0B-9705-C8CFF0DCAD00\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.39\",\"matchCriteriaId\":\"29E894E4-668F-4DB0-81F7-4FB5F698E970\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.9\",\"matchCriteriaId\":\"ADCC1407-0CB3-4C8F-B4C5-07F682CD7085\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0c97527e916054acc4a46ffb02842988acb2e92b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3ee21e14c8c329168a0b66bab00ecd18f5d0dee3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e809bc112712da8f7e15822674c6562da6cdf24c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/efb905aeb44b0e99c0e6b07865b1885ae0471ebf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0c97527e916054acc4a46ffb02842988acb2e92b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/3ee21e14c8c329168a0b66bab00ecd18f5d0dee3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e809bc112712da8f7e15822674c6562da6cdf24c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/efb905aeb44b0e99c0e6b07865b1885ae0471ebf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
  }
}


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