{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-48830","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-07-16T11:38:08.904Z","datePublished":"2024-07-16T11:44:13.987Z","dateUpdated":"2025-05-04T08:24:13.468Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:24:13.468Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: isotp: fix potential CAN frame reception race in isotp_rcv()\n\nWhen receiving a CAN frame the current code logic does not consider\nconcurrently receiving processes which do not show up in real world\nusage.\n\nZiyang Xuan writes:\n\nThe following syz problem is one of the scenarios. so->rx.len is\nchanged by isotp_rcv_ff() during isotp_rcv_cf(), so->rx.len equals\n0 before alloc_skb() and equals 4096 after alloc_skb(). That will\ntrigger skb_over_panic() in skb_put().\n\n=======================================================\nCPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.16.0-rc8-syzkaller #0\nRIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:113\nCall Trace:\n <TASK>\n skb_over_panic net/core/skbuff.c:118 [inline]\n skb_put.cold+0x24/0x24 net/core/skbuff.c:1990\n isotp_rcv_cf net/can/isotp.c:570 [inline]\n isotp_rcv+0xa38/0x1e30 net/can/isotp.c:668\n deliver net/can/af_can.c:574 [inline]\n can_rcv_filter+0x445/0x8d0 net/can/af_can.c:635\n can_receive+0x31d/0x580 net/can/af_can.c:665\n can_rcv+0x120/0x1c0 net/can/af_can.c:696\n __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5465\n __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5579\n\nTherefore we make sure the state changes and data structures stay\nconsistent at CAN frame reception time by adding a spin_lock in\nisotp_rcv(). This fixes the issue reported by syzkaller but does not\naffect real world operation."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/can/isotp.c"],"versions":[{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","lessThan":"7b53d2204ce79b27a878074a77d64f40ec21dbca","status":"affected","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","lessThan":"f90cc68f9f4b5d8585ad5d0a206a9d37ac299ef3","status":"affected","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","lessThan":"5b068f33bc8acfcfd5ea7992a2dafb30d89bad30","status":"affected","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","lessThan":"7c759040c1dd03954f650f147ae7175476d51314","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/can/isotp.c"],"versions":[{"version":"5.10","status":"affected"},{"version":"0","lessThan":"5.10","status":"unaffected","versionType":"semver"},{"version":"5.10.101","lessThanOrEqual":"5.10.*","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":"5.10","versionEndExcluding":"5.10.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.16.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7b53d2204ce79b27a878074a77d64f40ec21dbca"},{"url":"https://git.kernel.org/stable/c/f90cc68f9f4b5d8585ad5d0a206a9d37ac299ef3"},{"url":"https://git.kernel.org/stable/c/5b068f33bc8acfcfd5ea7992a2dafb30d89bad30"},{"url":"https://git.kernel.org/stable/c/7c759040c1dd03954f650f147ae7175476d51314"}],"title":"can: isotp: fix potential CAN frame reception race in isotp_rcv()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T15:25:01.526Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/7b53d2204ce79b27a878074a77d64f40ec21dbca","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f90cc68f9f4b5d8585ad5d0a206a9d37ac299ef3","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/5b068f33bc8acfcfd5ea7992a2dafb30d89bad30","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7c759040c1dd03954f650f147ae7175476d51314","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48830","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:57:30.557476Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:34:11.140Z"}}]}}