{"schema_version":"1.9.0","id":"CVE-2022-49569","published":"2025-02-26T02:23:13.209Z","modified":"2026-08-12T03:51:48.609590302Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1241-1"],"summary":"spi: bcm2835: bcm2835_spi_handle_err(): fix NULL pointer deref for non DMA transfers","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: bcm2835: bcm2835_spi_handle_err(): fix NULL pointer deref for non DMA transfers\n\nIn case a IRQ based transfer times out the bcm2835_spi_handle_err()\nfunction is called. Since commit 1513ceee70f2 (\"spi: bcm2835: Drop\ndma_pending flag\") the TX and RX DMA transfers are unconditionally\ncanceled, leading to NULL pointer derefs if ctlr->dma_tx or\nctlr->dma_rx are not set.\n\nFix the NULL pointer deref by checking that ctlr->dma_tx and\nctlr->dma_rx are valid pointers before accessing them.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1513ceee70f2bd523e025efe0c715328e1a43ffd"},{"fixed":"76668d2a2f367d25ff448e6d7087406af7d7bb2b"},{"fixed":"684896e675edd8b669fd3e9f547c5038222d85bc"},{"fixed":"58466e05390043d2805685c70f55f3f59711bdf2"},{"fixed":"49ffa473218012e765682343de2052eb4c1f06a7"},{"fixed":"4ceaa684459d414992acbefb4e4c31f2dfc50641"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49569.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.4.0"},{"fixed":"5.4.208"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.134"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.58"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.18.15"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49569.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/49ffa473218012e765682343de2052eb4c1f06a7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4ceaa684459d414992acbefb4e4c31f2dfc50641"},{"type":"WEB","url":"https://git.kernel.org/stable/c/58466e05390043d2805685c70f55f3f59711bdf2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/684896e675edd8b669fd3e9f547c5038222d85bc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/76668d2a2f367d25ff448e6d7087406af7d7bb2b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49569.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49569"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49569.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}