CVE-2022-48801

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-48801", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-16T11:38:08.895Z", "datePublished": "2024-07-16T11:43:54.253Z", "dateUpdated": "2026-08-05T08:52:26.711Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T08:52:26.711Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL\n\nIf we fail to copy the just created file descriptor to userland, we\ntry to clean up by putting back 'fd' and freeing 'ib'. The code uses\nput_unused_fd() for the former which is wrong, as the file descriptor\nwas already published by fd_install() which gets called internally by\nanon_inode_getfd().\n\nThis makes the error handling code leaving a half cleaned up file\ndescriptor table around and a partially destructed 'file' object,\nallowing userland to play use-after-free tricks on us, by abusing\nthe still usable fd and making the code operate on a dangling\n'file->private_data' pointer.\n\nInstead of leaving the kernel in a partially corrupted state, don't\nattempt to explicitly clean up and leave this to the process exit\npath that'll release any still valid fds, including the one created\nby the previous call to anon_inode_getfd(). Simply return -EFAULT to\nindicate the error."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The bug is reached via ioctl(IIO_BUFFER_GET_FD_IOCTL) on a local IIO character device (/dev/iio:deviceN); it is not reachable from network packet processing or adjacent-link protocols.\nAC:L - The attacker fully controls the trigger: a PROT_READ userspace page lets copy_from_user succeed then copy_to_user fail, after which put_unused_fd()+kfree(ib) leaves a dangling file->private_data while the installed fd remains usable via fget/fcntl.\nPR:L - No capability checks exist on the open/ioctl path\u2014only filesystem access to the IIO device node. On Android phones and embedded/industrial systems, /dev/iio:device* is commonly group-accessible (e.g., iio/sensor), so a normal unprivileged local user can reach it.\nUI:N - The attacker opens the device and issues the ioctl themselves; no separate victim action is required.\nS:U - This is a standard in-kernel UAF/memory-corruption privilege-escalation path within the host kernel's security authority, not a VM/IOMMU/sandbox boundary crossing.\nC:H - The error path frees iio_dev_buffer_pair while file->private_data still points at it; subsequent read/poll on the leaked fd is a classic heap UAF that can be turned into arbitrary kernel memory disclosure.\nI:H - The same dangling private_data is used by write and release (including a double-free on close), enabling heap spray and control-flow hijacking / arbitrary write primitives.\nA:H - Use of the freed object crashes the kernel, and fd-number reuse after the incorrect put_unused_fd() can hit fd_install()'s BUG_ON, causing an oops/panic."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/industrialio-buffer.c"], "versions": [{"version": "f73f7f4da581875f9b1f2fb8ebd1ab15ed634488", "lessThan": "b7f54894aa7517d2b6c797a499b9f491e9db9083", "status": "affected", "versionType": "git"}, {"version": "f73f7f4da581875f9b1f2fb8ebd1ab15ed634488", "lessThan": "202071d2518537866d291aa7cf26af54e674f4d4", "status": "affected", "versionType": "git"}, {"version": "f73f7f4da581875f9b1f2fb8ebd1ab15ed634488", "lessThan": "c72ea20503610a4a7ba26c769357d31602769c01", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/industrialio-buffer.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.24", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.10", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17", "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": "5.13", "versionEndExcluding": "5.15.24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.16.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.17"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b7f54894aa7517d2b6c797a499b9f491e9db9083"}, {"url": "https://git.kernel.org/stable/c/202071d2518537866d291aa7cf26af54e674f4d4"}, {"url": "https://git.kernel.org/stable/c/c72ea20503610a4a7ba26c769357d31602769c01"}], "title": "iio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T15:25:01.567Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/b7f54894aa7517d2b6c797a499b9f491e9db9083", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/202071d2518537866d291aa7cf26af54e674f4d4", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/c72ea20503610a4a7ba26c769357d31602769c01", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-48801", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:59:03.540562Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:34:14.374Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/b7f54894aa7517d2b6c797a499b9f491e9db9083", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/202071d2518537866d291aa7cf26af54e674f4d4", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/c72ea20503610a4a7ba26c769357d31602769c01", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T15:25:01.567Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-48801", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T16:59:03.540562Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:21.537Z"}}], "cna": {"title": "iio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:L - The bug is reached via ioctl(IIO_BUFFER_GET_FD_IOCTL) on a local IIO character device (/dev/iio:deviceN); it is not reachable from network packet processing or adjacent-link protocols.\nAC:L - The attacker fully controls the trigger: a PROT_READ userspace page lets copy_from_user succeed then copy_to_user fail, after which put_unused_fd()+kfree(ib) leaves a dangling file->private_data while the installed fd remains usable via fget/fcntl.\nPR:L - No capability checks exist on the open/ioctl path\u2014only filesystem access to the IIO device node. On Android phones and embedded/industrial systems, /dev/iio:device* is commonly group-accessible (e.g., iio/sensor), so a normal unprivileged local user can reach it.\nUI:N - The attacker opens the device and issues the ioctl themselves; no separate victim action is required.\nS:U - This is a standard in-kernel UAF/memory-corruption privilege-escalation path within the host kernel's security authority, not a VM/IOMMU/sandbox boundary crossing.\nC:H - The error path frees iio_dev_buffer_pair while file->private_data still points at it; subsequent read/poll on the leaked fd is a classic heap UAF that can be turned into arbitrary kernel memory disclosure.\nI:H - The same dangling private_data is used by write and release (including a double-free on close), enabling heap spray and control-flow hijacking / arbitrary write primitives.\nA:H - Use of the freed object crashes the kernel, and fd-number reuse after the incorrect put_unused_fd() can hit fd_install()'s BUG_ON, causing an oops/panic."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "f73f7f4da581875f9b1f2fb8ebd1ab15ed634488", "lessThan": "b7f54894aa7517d2b6c797a499b9f491e9db9083", "versionType": "git"}, {"status": "affected", "version": "f73f7f4da581875f9b1f2fb8ebd1ab15ed634488", "lessThan": "202071d2518537866d291aa7cf26af54e674f4d4", "versionType": "git"}, {"status": "affected", "version": "f73f7f4da581875f9b1f2fb8ebd1ab15ed634488", "lessThan": "c72ea20503610a4a7ba26c769357d31602769c01", "versionType": "git"}], "programFiles": ["drivers/iio/industrialio-buffer.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"status": "unaffected", "version": "0", "lessThan": "5.13", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.24", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "5.16.10", "versionType": "semver", "lessThanOrEqual": "5.16.*"}, {"status": "unaffected", "version": "5.17", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/iio/industrialio-buffer.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/b7f54894aa7517d2b6c797a499b9f491e9db9083"}, {"url": "https://git.kernel.org/stable/c/202071d2518537866d291aa7cf26af54e674f4d4"}, {"url": "https://git.kernel.org/stable/c/c72ea20503610a4a7ba26c769357d31602769c01"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL\n\nIf we fail to copy the just created file descriptor to userland, we\ntry to clean up by putting back 'fd' and freeing 'ib'. The code uses\nput_unused_fd() for the former which is wrong, as the file descriptor\nwas already published by fd_install() which gets called internally by\nanon_inode_getfd().\n\nThis makes the error handling code leaving a half cleaned up file\ndescriptor table around and a partially destructed 'file' object,\nallowing userland to play use-after-free tricks on us, by abusing\nthe still usable fd and making the code operate on a dangling\n'file->private_data' pointer.\n\nInstead of leaving the kernel in a partially corrupted state, don't\nattempt to explicitly clean up and leave this to the process exit\npath that'll release any still valid fds, including the one created\nby the previous call to anon_inode_getfd(). Simply return -EFAULT to\nindicate the error."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.24", "versionStartIncluding": "5.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.16.10", "versionStartIncluding": "5.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.17", "versionStartIncluding": "5.13"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T08:52:26.711Z"}}}, "cveMetadata": {"cveId": "CVE-2022-48801", "state": "PUBLISHED", "dateUpdated": "2026-08-05T08:52:26.711Z", "dateReserved": "2024-07-16T11:38:08.895Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-07-16T11:43:54.253Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iio/industrialio-buffer.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b7f54894aa7517d2b6c797a499b9f491e9db9083", "status": "affected", "version": "f73f7f4da581875f9b1f2fb8ebd1ab15ed634488", "versionType": "git"}, {"lessThan": "202071d2518537866d291aa7cf26af54e674f4d4", "status": "affected", "version": "f73f7f4da581875f9b1f2fb8ebd1ab15ed634488", "versionType": "git"}, {"lessThan": "c72ea20503610a4a7ba26c769357d31602769c01", "status": "affected", "version": "f73f7f4da581875f9b1f2fb8ebd1ab15ed634488", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iio/industrialio-buffer.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"lessThan": "5.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.24", "versionType": "semver"}, {"lessThanOrEqual": "5.16.*", "status": "unaffected", "version": "5.16.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.17", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "61670291-2496-4A61-A6FB-88E2748A3D89", "versionEndExcluding": "5.15.24", "versionStartIncluding": "5.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "679523BA-1392-404B-AB85-F5A5408B1ECC", "versionEndExcluding": "5.16.10", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*", "matchCriteriaId": "7BD5F8D9-54FA-4CB0-B4F0-CB0471FDDB2D", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*", "matchCriteriaId": "E6E34B23-78B4-4516-9BD8-61B33F4AC49A", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*", "matchCriteriaId": "C030FA3D-03F4-4FB9-9DBF-D08E5CAC51AA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL\n\nIf we fail to copy the just created file descriptor to userland, we\ntry to clean up by putting back 'fd' and freeing 'ib'. The code uses\nput_unused_fd() for the former which is wrong, as the file descriptor\nwas already published by fd_install() which gets called internally by\nanon_inode_getfd().\n\nThis makes the error handling code leaving a half cleaned up file\ndescriptor table around and a partially destructed 'file' object,\nallowing userland to play use-after-free tricks on us, by abusing\nthe still usable fd and making the code operate on a dangling\n'file->private_data' pointer.\n\nInstead of leaving the kernel in a partially corrupted state, don't\nattempt to explicitly clean up and leave this to the process exit\npath that'll release any still valid fds, including the one created\nby the previous call to anon_inode_getfd(). Simply return -EFAULT to\nindicate the error."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iio: buffer: corrige el manejo de errores relacionados con archivos en IIO_BUFFER_GET_FD_IOCTL Si no logramos copiar el descriptor de archivo reci\u00e9n creado en la zona de usuario, intentamos limpiar colocando de nuevo 'fd' y liberando ' ib'. El c\u00f3digo usa put_unused_fd() para el primero, lo cual es incorrecto, ya que el descriptor de archivo ya fue publicado por fd_install(), que es llamado internamente por anon_inode_getfd(). Esto hace que el c\u00f3digo de manejo de errores deje una tabla de descriptores de archivos medio limpia y un objeto 'archivo' parcialmente destruido, lo que permite que Userland nos juegue trucos de use-after-free, abusando del fd a\u00fan utilizable y haciendo que el c\u00f3digo funcione en un puntero 'archivo->datos_privados' colgando. En lugar de dejar el kernel en un estado parcialmente da\u00f1ado, no intente limpiar expl\u00edcitamente y dejar esto en la ruta de salida del proceso que liberar\u00e1 cualquier fds a\u00fan v\u00e1lido, incluido el creado por la llamada anterior a anon_inode_getfd(). Simplemente devuelva -EFAULT para indicar el error."}], "id": "CVE-2022-48801", "lastModified": "2026-08-04T10:17:22.277", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-48801", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-10T16:59:03.540562Z", "version": "2.0.3"}}]}, "published": "2024-07-16T12:15:04.630", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/202071d2518537866d291aa7cf26af54e674f4d4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b7f54894aa7517d2b6c797a499b9f491e9db9083"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c72ea20503610a4a7ba26c769357d31602769c01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/202071d2518537866d291aa7cf26af54e674f4d4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b7f54894aa7517d2b6c797a499b9f491e9db9083"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c72ea20503610a4a7ba26c769357d31602769c01"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: iio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL", "id": "2298137", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2298137"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-253", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL\nIf we fail to copy the just created file descriptor to userland, we\ntry to clean up by putting back 'fd' and freeing 'ib'. The code uses\nput_unused_fd() for the former which is wrong, as the file descriptor\nwas already published by fd_install() which gets called internally by\nanon_inode_getfd().\nThis makes the error handling code leaving a half cleaned up file\ndescriptor table around and a partially destructed 'file' object,\nallowing userland to play use-after-free tricks on us, by abusing\nthe still usable fd and making the code operate on a dangling\n'file->private_data' pointer.\nInstead of leaving the kernel in a partially corrupted state, don't\nattempt to explicitly clean up and leave this to the process exit\npath that'll release any still valid fds, including the one created\nby the previous call to anon_inode_getfd(). Simply return -EFAULT to\nindicate the error."], "name": "CVE-2022-48801", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-07-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48801\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48801\nhttps://git.kernel.org/stable/c/202071d2518537866d291aa7cf26af54e674f4d4\nhttps://git.kernel.org/stable/c/b7f54894aa7517d2b6c797a499b9f491e9db9083\nhttps://git.kernel.org/stable/c/c72ea20503610a4a7ba26c769357d31602769c01"], "threat_severity": "Low"}

{"created": "2025-07-13T11:14:27.816655+00:00", "updated": "2025-07-13T11:14:27.816704+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}