{"dataType":"CVE_RECORD","dataVersion":"5.1","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":"2025-05-04T07:02:22.493Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:02:22.493Z"},"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"]}]}]}}