cve-2021-47207
Vulnerability from cvelistv5
Published
2024-04-10 18:56
Modified
2024-11-04 12:01
Severity ?
EPSS score ?
Summary
ALSA: gus: fix null pointer dereference on pointer block
References
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[ "x_transferred" ], "url": "https://git.kernel.org/stable/c/ab4c1ebc40f699f48346f634d7b72b9c5193f315" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/c6d2cefdd05c4810c416fb8d384b5c377bd977bc" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/1ac6cd87d8ddd36c43620f82c4d65b058f725f0f" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/16721797dcef2c7c030ffe73a07f39a65f9323c3" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/a0d21bb3279476c777434c40d969ea88ca64f9aa" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "sound/isa/gus/gus_dma.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "3e28e083dcdf", "status": "affected", "version": "1da177e4c3f4", "versionType": "git" }, { "lessThan": "cb09c760c201", "status": "affected", "version": "1da177e4c3f4", "versionType": "git" }, { "lessThan": "542fa721594a", "status": "affected", "version": "1da177e4c3f4", "versionType": "git" }, { "lessThan": "ab4c1ebc40f6", "status": "affected", "version": "1da177e4c3f4", "versionType": "git" }, { "lessThan": "c6d2cefdd05c", "status": "affected", "version": "1da177e4c3f4", "versionType": "git" }, { "lessThan": "1ac6cd87d8dd", "status": "affected", "version": "1da177e4c3f4", "versionType": "git" }, { "lessThan": "16721797dcef", "status": "affected", "version": "1da177e4c3f4", "versionType": "git" }, { "lessThan": "a0d21bb32794", "status": "affected", "version": "1da177e4c3f4", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "sound/isa/gus/gus_dma.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThanOrEqual": "4.4.*", "status": "unaffected", "version": "4.4.293", "versionType": "semver" }, { "lessThanOrEqual": "4.9.*", "status": "unaffected", "version": "4.9.291", "versionType": "semver" }, { "lessThanOrEqual": "4.14.*", "status": "unaffected", "version": "4.14.256", "versionType": "semver" }, { "lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.218", "versionType": "semver" }, { "lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.162", "versionType": "semver" }, { "lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.82", "versionType": "semver" }, { "lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.5", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix" } ] } ], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: gus: fix null pointer dereference on pointer block\n\nThe pointer block return from snd_gf1_dma_next_block could be\nnull, so there is a potential null pointer dereference issue.\nFix this by adding a null check before dereference." } ], "providerMetadata": { "dateUpdated": "2024-11-04T12:01:32.300Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/3e28e083dcdf03a18a083f8a47b6bb6b1604b5be" }, { "url": "https://git.kernel.org/stable/c/cb09c760c201f82df83babc92a5ffea0a01807fc" }, { "url": "https://git.kernel.org/stable/c/542fa721594a02d2aee0370a764d306ef48d030c" }, { "url": "https://git.kernel.org/stable/c/ab4c1ebc40f699f48346f634d7b72b9c5193f315" }, { "url": "https://git.kernel.org/stable/c/c6d2cefdd05c4810c416fb8d384b5c377bd977bc" }, { "url": "https://git.kernel.org/stable/c/1ac6cd87d8ddd36c43620f82c4d65b058f725f0f" }, { "url": "https://git.kernel.org/stable/c/16721797dcef2c7c030ffe73a07f39a65f9323c3" }, { "url": "https://git.kernel.org/stable/c/a0d21bb3279476c777434c40d969ea88ca64f9aa" } ], "title": "ALSA: gus: fix null pointer dereference on pointer block", "x_generator": { "engine": "bippy-9e1c9544281a" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2021-47207", "datePublished": "2024-04-10T18:56:39.655Z", "dateReserved": "2024-03-25T09:12:14.118Z", "dateUpdated": "2024-11-04T12:01:32.300Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-47207\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-10T19:15:48.400\",\"lastModified\":\"2024-04-10T19:49:51.183\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nALSA: gus: fix null pointer dereference on pointer block\\n\\nThe pointer block return from snd_gf1_dma_next_block could be\\nnull, so there is a potential null pointer dereference issue.\\nFix this by adding a null 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} }
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Sightings
Author | Source | Type | Date |
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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.