{"id":"CVE-2025-37809","state":"PUBLISHED","title":"usb: typec: class: Fix NULL pointer access","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: class: Fix NULL pointer access\n\nConcurrent calls to typec_partner_unlink_device can lead to a NULL pointer\ndereference. This patch adds a mutex to protect USB device pointers and\nprevent this issue. The same mutex protects both the device pointers and\nthe partner device registration.","publishedAt":"2025-05-08T06:26:07.510Z","updatedAt":"2026-05-11T21:15:33.833Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"59de2a56d127890cc610f3896d5fc31887c54ac2","status":"affected","lessThan":"de7c24febd21413ea8f49f61b36338b676c02852","versionType":"git"},{"version":"59de2a56d127890cc610f3896d5fc31887c54ac2","status":"affected","lessThan":"1fdde62411fe65640e69bc55ea027d5b7b2f0093","versionType":"git"},{"version":"59de2a56d127890cc610f3896d5fc31887c54ac2","status":"affected","lessThan":"ec27386de23a511008c53aa2f3434ad180a3ca9a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/class.c","drivers/usb/typec/class.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.26","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.5","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/class.c","drivers/usb/typec/class.h"]}],"references":["https://git.kernel.org/stable/c/de7c24febd21413ea8f49f61b36338b676c02852","https://git.kernel.org/stable/c/1fdde62411fe65640e69bc55ea027d5b7b2f0093","https://git.kernel.org/stable/c/ec27386de23a511008c53aa2f3434ad180a3ca9a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:03.054Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/37xxx/CVE-2025-37809.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-37809","state":"PUBLISHED","datePublished":"2025-05-08T06:26:07.510Z","dateUpdated":"2026-05-11T21:15:33.833Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.942Z"},"containers":{"cna":{"title":"usb: typec: class: Fix NULL pointer access","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: class: Fix NULL pointer access\n\nConcurrent calls to typec_partner_unlink_device can lead to a NULL pointer\ndereference. This patch adds a mutex to protect USB device pointers and\nprevent this issue. The same mutex protects both the device pointers and\nthe partner device registration."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"59de2a56d127890cc610f3896d5fc31887c54ac2","status":"affected","lessThan":"de7c24febd21413ea8f49f61b36338b676c02852","versionType":"git"},{"version":"59de2a56d127890cc610f3896d5fc31887c54ac2","status":"affected","lessThan":"1fdde62411fe65640e69bc55ea027d5b7b2f0093","versionType":"git"},{"version":"59de2a56d127890cc610f3896d5fc31887c54ac2","status":"affected","lessThan":"ec27386de23a511008c53aa2f3434ad180a3ca9a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/class.c","drivers/usb/typec/class.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.26","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.5","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/typec/class.c","drivers/usb/typec/class.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/de7c24febd21413ea8f49f61b36338b676c02852"},{"url":"https://git.kernel.org/stable/c/1fdde62411fe65640e69bc55ea027d5b7b2f0093"},{"url":"https://git.kernel.org/stable/c/ec27386de23a511008c53aa2f3434ad180a3ca9a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:15:33.833Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.26"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.14.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.15"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}