{"id":"CVE-2022-49756","state":"PUBLISHED","title":"phy: usb: sunplus: Fix potential null-ptr-deref in sp_usb_phy_probe()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nphy: usb: sunplus: Fix potential null-ptr-deref in sp_usb_phy_probe()\n\nsp_usb_phy_probe() will call platform_get_resource_byname() that may fail\nand return NULL. devm_ioremap() will use usbphy->moon4_res_mem->start as\ninput, which may causes null-ptr-deref. Check the ret value of\nplatform_get_resource_byname() to avoid the null-ptr-deref.","publishedAt":"2025-03-27T16:43:03.950Z","updatedAt":"2026-05-11T19:06:10.435Z","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":"99d9ccd97385208b78b3d88e756451f4b70119fc","status":"affected","lessThan":"d838b5c99bcecd593b4710a93fce8fdbf122395b","versionType":"git"},{"version":"99d9ccd97385208b78b3d88e756451f4b70119fc","status":"affected","lessThan":"17eee264ef386ef30a69dd70e36f29893b85c170","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/phy/sunplus/phy-sunplus-usb2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","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":["drivers/phy/sunplus/phy-sunplus-usb2.c"]}],"references":["https://git.kernel.org/stable/c/d838b5c99bcecd593b4710a93fce8fdbf122395b","https://git.kernel.org/stable/c/17eee264ef386ef30a69dd70e36f29893b85c170"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49756.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49756","state":"PUBLISHED","datePublished":"2025-03-27T16:43:03.950Z","dateUpdated":"2026-05-11T19:06:10.435Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-03-27T16:39:17.989Z"},"containers":{"cna":{"title":"phy: usb: sunplus: Fix potential null-ptr-deref in sp_usb_phy_probe()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nphy: usb: sunplus: Fix potential null-ptr-deref in sp_usb_phy_probe()\n\nsp_usb_phy_probe() will call platform_get_resource_byname() that may fail\nand return NULL. devm_ioremap() will use usbphy->moon4_res_mem->start as\ninput, which may causes null-ptr-deref. Check the ret value of\nplatform_get_resource_byname() to avoid the null-ptr-deref."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"99d9ccd97385208b78b3d88e756451f4b70119fc","status":"affected","lessThan":"d838b5c99bcecd593b4710a93fce8fdbf122395b","versionType":"git"},{"version":"99d9ccd97385208b78b3d88e756451f4b70119fc","status":"affected","lessThan":"17eee264ef386ef30a69dd70e36f29893b85c170","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/phy/sunplus/phy-sunplus-usb2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","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":["drivers/phy/sunplus/phy-sunplus-usb2.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d838b5c99bcecd593b4710a93fce8fdbf122395b"},{"url":"https://git.kernel.org/stable/c/17eee264ef386ef30a69dd70e36f29893b85c170"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:06:10.435Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.2"}]}]}],"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":"2025-10-01T17:23:17.391841Z","id":"CVE-2022-49756","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","type":"CWE","lang":"en","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T17:23:20.200Z"}}]}}}