{"id":"CVE-2024-46739","state":"PUBLISHED","title":"uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nuio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind\n\nFor primary VM Bus channels, primary_channel pointer is always NULL. This\npointer is valid only for the secondary channels. Also, rescind callback\nis meant for primary channels only.\n\nFix NULL pointer dereference by retrieving the device_obj from the parent\nfor the primary channel.","publishedAt":"2024-09-18T07:12:00.897Z","updatedAt":"2026-05-11T20:35:27.940Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"3d414b64ecf6fd717d7510ffb893c6f23acbf50e","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"f38f46da80a2ab7d1b2f8fcb444c916034a2dac4","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"1d8e020e51ab07e40f9dd00b52f1da7d96fec04c","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"3005091cd537ef8cdb7530dcb2ecfba8d2ef475c","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"2be373469be1774bbe03b0fa7e2854e65005b1cc","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"de6946be9c8bc7d2279123433495af7c21011b99","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"928e399e84f4e80307dce44e89415115c473275b","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"fb1adbd7e50f3d2de56d0a2bb0700e2e819a329e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/uio/uio_hv_generic.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","versionType":"semver"},{"version":"4.19.322","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.284","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.226","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.167","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.110","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.51","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.10","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/uio/uio_hv_generic.c"]}],"references":["https://git.kernel.org/stable/c/3d414b64ecf6fd717d7510ffb893c6f23acbf50e","https://git.kernel.org/stable/c/f38f46da80a2ab7d1b2f8fcb444c916034a2dac4","https://git.kernel.org/stable/c/1d8e020e51ab07e40f9dd00b52f1da7d96fec04c","https://git.kernel.org/stable/c/3005091cd537ef8cdb7530dcb2ecfba8d2ef475c","https://git.kernel.org/stable/c/2be373469be1774bbe03b0fa7e2854e65005b1cc","https://git.kernel.org/stable/c/de6946be9c8bc7d2279123433495af7c21011b99","https://git.kernel.org/stable/c/928e399e84f4e80307dce44e89415115c473275b","https://git.kernel.org/stable/c/fb1adbd7e50f3d2de56d0a2bb0700e2e819a329e","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/46xxx/CVE-2024-46739.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-46739","state":"PUBLISHED","datePublished":"2024-09-18T07:12:00.897Z","dateUpdated":"2026-05-11T20:35:27.940Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-09-11T15:12:18.263Z"},"containers":{"cna":{"title":"uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nuio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind\n\nFor primary VM Bus channels, primary_channel pointer is always NULL. This\npointer is valid only for the secondary channels. Also, rescind callback\nis meant for primary channels only.\n\nFix NULL pointer dereference by retrieving the device_obj from the parent\nfor the primary channel."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"3d414b64ecf6fd717d7510ffb893c6f23acbf50e","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"f38f46da80a2ab7d1b2f8fcb444c916034a2dac4","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"1d8e020e51ab07e40f9dd00b52f1da7d96fec04c","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"3005091cd537ef8cdb7530dcb2ecfba8d2ef475c","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"2be373469be1774bbe03b0fa7e2854e65005b1cc","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"de6946be9c8bc7d2279123433495af7c21011b99","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"928e399e84f4e80307dce44e89415115c473275b","versionType":"git"},{"version":"ca3cda6fcf1e922213a0cc58e708ffb999151db3","status":"affected","lessThan":"fb1adbd7e50f3d2de56d0a2bb0700e2e819a329e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/uio/uio_hv_generic.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","versionType":"semver"},{"version":"4.19.322","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.284","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.226","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.167","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.110","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.51","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.10","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/uio/uio_hv_generic.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3d414b64ecf6fd717d7510ffb893c6f23acbf50e"},{"url":"https://git.kernel.org/stable/c/f38f46da80a2ab7d1b2f8fcb444c916034a2dac4"},{"url":"https://git.kernel.org/stable/c/1d8e020e51ab07e40f9dd00b52f1da7d96fec04c"},{"url":"https://git.kernel.org/stable/c/3005091cd537ef8cdb7530dcb2ecfba8d2ef475c"},{"url":"https://git.kernel.org/stable/c/2be373469be1774bbe03b0fa7e2854e65005b1cc"},{"url":"https://git.kernel.org/stable/c/de6946be9c8bc7d2279123433495af7c21011b99"},{"url":"https://git.kernel.org/stable/c/928e399e84f4e80307dce44e89415115c473275b"},{"url":"https://git.kernel.org/stable/c/fb1adbd7e50f3d2de56d0a2bb0700e2e819a329e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:35:27.940Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"4.19.322"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.4.284"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.10.226"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.15.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.1.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.6.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.10.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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