{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2023-52574", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-02T21:55:42.568Z", "datePublished": "2024-03-02T21:59:43.271Z", "dateUpdated": "2024-08-02T23:03:20.914Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:13:47.380Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nteam: fix null-ptr-deref when team device type is changed\n\nGet a null-ptr-deref bug as follows with reproducer [1].\n\nBUG: kernel NULL pointer dereference, address: 0000000000000228\n...\nRIP: 0010:vlan_dev_hard_header+0x35/0x140 [8021q]\n...\nCall Trace:\n \n ? __die+0x24/0x70\n ? page_fault_oops+0x82/0x150\n ? exc_page_fault+0x69/0x150\n ? asm_exc_page_fault+0x26/0x30\n ? vlan_dev_hard_header+0x35/0x140 [8021q]\n ? vlan_dev_hard_header+0x8e/0x140 [8021q]\n neigh_connected_output+0xb2/0x100\n ip6_finish_output2+0x1cb/0x520\n ? nf_hook_slow+0x43/0xc0\n ? ip6_mtu+0x46/0x80\n ip6_finish_output+0x2a/0xb0\n mld_sendpack+0x18f/0x250\n mld_ifc_work+0x39/0x160\n process_one_work+0x1e6/0x3f0\n worker_thread+0x4d/0x2f0\n ? __pfx_worker_thread+0x10/0x10\n kthread+0xe5/0x120\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x34/0x50\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1b/0x30\n\n[1]\n$ teamd -t team0 -d -c '{\"runner\": {\"name\": \"loadbalance\"}}'\n$ ip link add name t-dummy type dummy\n$ ip link add link t-dummy name t-dummy.100 type vlan id 100\n$ ip link add name t-nlmon type nlmon\n$ ip link set t-nlmon master team0\n$ ip link set t-nlmon nomaster\n$ ip link set t-dummy up\n$ ip link set team0 up\n$ ip link set t-dummy.100 down\n$ ip link set t-dummy.100 master team0\n\nWhen enslave a vlan device to team device and team device type is changed\nfrom non-ether to ether, header_ops of team device is changed to\nvlan_header_ops. That is incorrect and will trigger null-ptr-deref\nfor vlan->real_dev in vlan_dev_hard_header() because team device is not\na vlan device.\n\nCache eth_header_ops in team_setup(), then assign cached header_ops to\nheader_ops of team net device when its type is changed from non-ether\nto ether to fix the bug." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/team/team.c", "include/linux/if_team.h" ], "versions": [ { "version": "1d76efe1577b", "lessThan": "1779eb51b9cc", "status": "affected", "versionType": "git" }, { "version": "1d76efe1577b", "lessThan": "a7fb47b97111", "status": "affected", "versionType": "git" }, { "version": "1d76efe1577b", "lessThan": "c5f6478686bb", "status": "affected", "versionType": "git" }, { "version": "1d76efe1577b", "lessThan": "b44dd92e2afd", "status": "affected", "versionType": "git" }, { "version": "1d76efe1577b", "lessThan": "cd05eec2ee0c", "status": "affected", "versionType": "git" }, { "version": "1d76efe1577b", "lessThan": "2f0acb0736ec", "status": "affected", "versionType": "git" }, { "version": "1d76efe1577b", "lessThan": "cac50d9f5d87", "status": "affected", "versionType": "git" }, { "version": "1d76efe1577b", "lessThan": "492032760127", "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/net/team/team.c", "include/linux/if_team.h" ], "versions": [ { "version": "3.7", "status": "affected" }, { "version": "0", "lessThan": "3.7", "status": "unaffected", "versionType": "custom" }, { "version": "4.14.327", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.296", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.258", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.198", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.134", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.56", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.5.6", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/1779eb51b9cc628cee551f252701a85a2a50a457" }, { "url": "https://git.kernel.org/stable/c/a7fb47b9711101d2405b0eb1276fb1f9b9b270c7" }, { "url": "https://git.kernel.org/stable/c/c5f6478686bb45f453031594ae19b6c9723a780d" }, { "url": "https://git.kernel.org/stable/c/b44dd92e2afd89eb6e9d27616858e72a67bdc1a7" }, { "url": "https://git.kernel.org/stable/c/cd05eec2ee0cc396813a32ef675634e403748255" }, { "url": "https://git.kernel.org/stable/c/2f0acb0736ecc3eb85dc80ad2790d634dcb10b58" }, { "url": "https://git.kernel.org/stable/c/cac50d9f5d876be32cb9aa21c74018468900284d" }, { "url": "https://git.kernel.org/stable/c/492032760127251e5540a5716a70996bacf2a3fd" } ], "title": "team: fix null-ptr-deref when team device type is changed", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2023-52574", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-03-06T20:45:03.463636Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:22:44.896Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:03:20.914Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/1779eb51b9cc628cee551f252701a85a2a50a457", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/a7fb47b9711101d2405b0eb1276fb1f9b9b270c7", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/c5f6478686bb45f453031594ae19b6c9723a780d", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/b44dd92e2afd89eb6e9d27616858e72a67bdc1a7", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/cd05eec2ee0cc396813a32ef675634e403748255", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2f0acb0736ecc3eb85dc80ad2790d634dcb10b58", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/cac50d9f5d876be32cb9aa21c74018468900284d", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/492032760127251e5540a5716a70996bacf2a3fd", "tags": [ "x_transferred" ] } ] } ] } }