{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47016", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.954Z", "datePublished": "2024-02-29T22:31:13.115Z", "dateUpdated": "2026-05-11T13:46:19.823Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:46:19.823Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nm68k: mvme147,mvme16x: Don't wipe PCC timer config bits\n\nDon't clear the timer 1 configuration bits when clearing the interrupt flag\nand counter overflow. As Michael reported, \"This results in no timer\ninterrupts being delivered after the first. Initialization then hangs\nin calibrate_delay as the jiffies counter is not updated.\"\n\nOn mvme16x, enable the timer after requesting the irq, consistent with\nmvme147." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/m68k/include/asm/mvme147hw.h", "arch/m68k/mvme147/config.c", "arch/m68k/mvme16x/config.c" ], "versions": [ { "version": "7529b90d051e4629884771ba2b1d3a87d2c6a9d7", "lessThan": "f6a90818a32058fca62cda3a2027a6a2364e1878", "status": "affected", "versionType": "git" }, { "version": "7529b90d051e4629884771ba2b1d3a87d2c6a9d7", "lessThan": "1dfb26df15fc7036a74221d43de7427f74293dae", "status": "affected", "versionType": "git" }, { "version": "7529b90d051e4629884771ba2b1d3a87d2c6a9d7", "lessThan": "73fdeb612d25b5e105c219e05434285a45d23576", "status": "affected", "versionType": "git" }, { "version": "7529b90d051e4629884771ba2b1d3a87d2c6a9d7", "lessThan": "5d34225169346cab5145978d153b9ce90e9ace21", "status": "affected", "versionType": "git" }, { "version": "7529b90d051e4629884771ba2b1d3a87d2c6a9d7", "lessThan": "43262178c043032e7c42d00de44c818ba05f9967", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/m68k/include/asm/mvme147hw.h", "arch/m68k/mvme147/config.c", "arch/m68k/mvme16x/config.c" ], "versions": [ { "version": "5.2", "status": "affected" }, { "version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.119", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.37", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.11.21", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.4", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13", "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": "5.2", "versionEndExcluding": "5.4.119" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.10.37" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.11.21" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.12.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/f6a90818a32058fca62cda3a2027a6a2364e1878" }, { "url": "https://git.kernel.org/stable/c/1dfb26df15fc7036a74221d43de7427f74293dae" }, { "url": "https://git.kernel.org/stable/c/73fdeb612d25b5e105c219e05434285a45d23576" }, { "url": "https://git.kernel.org/stable/c/5d34225169346cab5145978d153b9ce90e9ace21" }, { "url": "https://git.kernel.org/stable/c/43262178c043032e7c42d00de44c818ba05f9967" } ], "title": "m68k: mvme147,mvme16x: Don't wipe PCC timer config bits", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47016", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-03-01T16:15:35.583749Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:14:32.993Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.559Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/f6a90818a32058fca62cda3a2027a6a2364e1878", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/1dfb26df15fc7036a74221d43de7427f74293dae", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/73fdeb612d25b5e105c219e05434285a45d23576", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/5d34225169346cab5145978d153b9ce90e9ace21", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/43262178c043032e7c42d00de44c818ba05f9967", "tags": [ "x_transferred" ] } ] } ] } }