{"id":"CVE-2022-49748","state":"PUBLISHED","title":"perf/x86/amd: fix potential integer overflow on shift of a int","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/amd: fix potential integer overflow on shift of a int\n\nThe left shift of int 32 bit integer constant 1 is evaluated using 32 bit\narithmetic and then passed as a 64 bit function argument. In the case where\ni is 32 or more this can lead to an overflow.  Avoid this by shifting\nusing the BIT_ULL macro instead.","publishedAt":"2025-03-27T16:42:57.784Z","updatedAt":"2026-05-23T15:22:50.749Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d8a6a443ff0aea5893f0a7f2726973b496b76420","status":"affected","lessThan":"fbf7b0e4cef3b5470b610f14fb9faa5ee7f63954","versionType":"git"},{"version":"471af006a747f1c535c8a8c6c0973c320fe01b22","status":"affected","lessThan":"f84c9b72fb200633774704d8020f769c88a4b249","versionType":"git"},{"version":"471af006a747f1c535c8a8c6c0973c320fe01b22","status":"affected","lessThan":"14cc13e433e1067557435b1adbf05608d7d47a93","versionType":"git"},{"version":"471af006a747f1c535c8a8c6c0973c320fe01b22","status":"affected","lessThan":"a4d01fb87ece45d4164fd725890211ccf9a307a9","versionType":"git"},{"version":"471af006a747f1c535c8a8c6c0973c320fe01b22","status":"affected","lessThan":"08245672cdc6505550d1a5020603b0a8d4a6dcc7","versionType":"git"},{"version":"3512462036dbe44d88e93e75ee8a993781183ddb","status":"affected","versionType":"git"},{"version":"5.4.22","status":"affected","lessThan":"5.4.231","versionType":"semver"},{"version":"5.5.6","status":"affected","lessThan":"5.6","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/events/amd/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.4.231","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.166","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.91","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.9","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/events/amd/core.c"]}],"references":["https://git.kernel.org/stable/c/fbf7b0e4cef3b5470b610f14fb9faa5ee7f63954","https://git.kernel.org/stable/c/f84c9b72fb200633774704d8020f769c88a4b249","https://git.kernel.org/stable/c/14cc13e433e1067557435b1adbf05608d7d47a93","https://git.kernel.org/stable/c/a4d01fb87ece45d4164fd725890211ccf9a307a9","https://git.kernel.org/stable/c/08245672cdc6505550d1a5020603b0a8d4a6dcc7"],"weaknesses":["CWE-190"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49748.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49748","state":"PUBLISHED","datePublished":"2025-03-27T16:42:57.784Z","dateUpdated":"2026-05-23T15:22:50.749Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-03-27T16:39:17.987Z"},"containers":{"cna":{"title":"perf/x86/amd: fix potential integer overflow on shift of a int","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/amd: fix potential integer overflow on shift of a int\n\nThe left shift of int 32 bit integer constant 1 is evaluated using 32 bit\narithmetic and then passed as a 64 bit function argument. In the case where\ni is 32 or more this can lead to an overflow.  Avoid this by shifting\nusing the BIT_ULL macro instead."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d8a6a443ff0aea5893f0a7f2726973b496b76420","status":"affected","lessThan":"fbf7b0e4cef3b5470b610f14fb9faa5ee7f63954","versionType":"git"},{"version":"471af006a747f1c535c8a8c6c0973c320fe01b22","status":"affected","lessThan":"f84c9b72fb200633774704d8020f769c88a4b249","versionType":"git"},{"version":"471af006a747f1c535c8a8c6c0973c320fe01b22","status":"affected","lessThan":"14cc13e433e1067557435b1adbf05608d7d47a93","versionType":"git"},{"version":"471af006a747f1c535c8a8c6c0973c320fe01b22","status":"affected","lessThan":"a4d01fb87ece45d4164fd725890211ccf9a307a9","versionType":"git"},{"version":"471af006a747f1c535c8a8c6c0973c320fe01b22","status":"affected","lessThan":"08245672cdc6505550d1a5020603b0a8d4a6dcc7","versionType":"git"},{"version":"3512462036dbe44d88e93e75ee8a993781183ddb","status":"affected","versionType":"git"},{"version":"5.4.22","status":"affected","lessThan":"5.4.231","versionType":"semver"},{"version":"5.5.6","status":"affected","lessThan":"5.6","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/events/amd/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.4.231","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.166","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.91","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.9","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/events/amd/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/fbf7b0e4cef3b5470b610f14fb9faa5ee7f63954"},{"url":"https://git.kernel.org/stable/c/f84c9b72fb200633774704d8020f769c88a4b249"},{"url":"https://git.kernel.org/stable/c/14cc13e433e1067557435b1adbf05608d7d47a93"},{"url":"https://git.kernel.org/stable/c/a4d01fb87ece45d4164fd725890211ccf9a307a9"},{"url":"https://git.kernel.org/stable/c/08245672cdc6505550d1a5020603b0a8d4a6dcc7"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:22:50.749Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.22","versionEndExcluding":"5.4.231"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.10.166"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.15.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.1.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-01T17:23:38.004025Z","id":"CVE-2022-49748","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","type":"CWE","lang":"en","description":"CWE-190 Integer Overflow or Wraparound"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T17:23:40.578Z"}}]}}}