{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-48925","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-08-21T06:06:23.296Z","datePublished":"2024-08-22T01:33:11.172Z","dateUpdated":"2025-05-04T08:26:13.379Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:26:13.379Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cma: Do not change route.addr.src_addr outside state checks\n\nIf the state is not idle then resolve_prepare_src() should immediately\nfail and no change to global state should happen. However, it\nunconditionally overwrites the src_addr trying to build a temporary any\naddress.\n\nFor instance if the state is already RDMA_CM_LISTEN then this will corrupt\nthe src_addr and would cause the test in cma_cancel_operation():\n\n           if (cma_any_addr(cma_src_addr(id_priv)) && !id_priv->cma_dev)\n\nWhich would manifest as this trace from syzkaller:\n\n  BUG: KASAN: use-after-free in __list_add_valid+0x93/0xa0 lib/list_debug.c:26\n  Read of size 8 at addr ffff8881546491e0 by task syz-executor.1/32204\n\n  CPU: 1 PID: 32204 Comm: syz-executor.1 Not tainted 5.12.0-rc8-syzkaller #0\n  Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\n  Call Trace:\n   __dump_stack lib/dump_stack.c:79 [inline]\n   dump_stack+0x141/0x1d7 lib/dump_stack.c:120\n   print_address_description.constprop.0.cold+0x5b/0x2f8 mm/kasan/report.c:232\n   __kasan_report mm/kasan/report.c:399 [inline]\n   kasan_report.cold+0x7c/0xd8 mm/kasan/report.c:416\n   __list_add_valid+0x93/0xa0 lib/list_debug.c:26\n   __list_add include/linux/list.h:67 [inline]\n   list_add_tail include/linux/list.h:100 [inline]\n   cma_listen_on_all drivers/infiniband/core/cma.c:2557 [inline]\n   rdma_listen+0x787/0xe00 drivers/infiniband/core/cma.c:3751\n   ucma_listen+0x16a/0x210 drivers/infiniband/core/ucma.c:1102\n   ucma_write+0x259/0x350 drivers/infiniband/core/ucma.c:1732\n   vfs_write+0x28e/0xa30 fs/read_write.c:603\n   ksys_write+0x1ee/0x250 fs/read_write.c:658\n   do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n\nThis is indicating that an rdma_id_private was destroyed without doing\ncma_cancel_listens().\n\nInstead of trying to re-use the src_addr memory to indirectly create an\nany address derived from the dst build one explicitly on the stack and\nbind to that as any other normal flow would do. rdma_bind_addr() will copy\nit over the src_addr once it knows the state is valid.\n\nThis is similar to commit bc0bdc5afaa7 (\"RDMA/cma: Do not change\nroute.addr.src_addr.ss_family\")"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/cma.c"],"versions":[{"version":"732d41c545bb359cbb8c94698bdc1f8bcf82279c","lessThan":"5b1cef5798b4fd6e4fd5522e7b8a26248beeacaa","status":"affected","versionType":"git"},{"version":"732d41c545bb359cbb8c94698bdc1f8bcf82279c","lessThan":"00265efbd3e5705038c9492a434fda8cf960c8a2","status":"affected","versionType":"git"},{"version":"732d41c545bb359cbb8c94698bdc1f8bcf82279c","lessThan":"d350724795c7a48b05bf921d94699fbfecf7da0b","status":"affected","versionType":"git"},{"version":"732d41c545bb359cbb8c94698bdc1f8bcf82279c","lessThan":"22e9f71072fa605cbf033158db58e0790101928d","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/infiniband/core/cma.c"],"versions":[{"version":"5.10","status":"affected"},{"version":"0","lessThan":"5.10","status":"unaffected","versionType":"semver"},{"version":"5.10.103","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.26","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.12","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":"5.10","versionEndExcluding":"5.10.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.26"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.16.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5b1cef5798b4fd6e4fd5522e7b8a26248beeacaa"},{"url":"https://git.kernel.org/stable/c/00265efbd3e5705038c9492a434fda8cf960c8a2"},{"url":"https://git.kernel.org/stable/c/d350724795c7a48b05bf921d94699fbfecf7da0b"},{"url":"https://git.kernel.org/stable/c/22e9f71072fa605cbf033158db58e0790101928d"}],"title":"RDMA/cma: Do not change route.addr.src_addr outside state checks","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48925","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:33:15.605399Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-12T17:33:11.068Z"}}]}}