{"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":"2025-05-04T07:39:04.288Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:39:04.288Z"},"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 <TASK>\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":"1d76efe1577b4323609b1bcbfafa8b731eda071a","lessThan":"1779eb51b9cc628cee551f252701a85a2a50a457","status":"affected","versionType":"git"},{"version":"1d76efe1577b4323609b1bcbfafa8b731eda071a","lessThan":"a7fb47b9711101d2405b0eb1276fb1f9b9b270c7","status":"affected","versionType":"git"},{"version":"1d76efe1577b4323609b1bcbfafa8b731eda071a","lessThan":"c5f6478686bb45f453031594ae19b6c9723a780d","status":"affected","versionType":"git"},{"version":"1d76efe1577b4323609b1bcbfafa8b731eda071a","lessThan":"b44dd92e2afd89eb6e9d27616858e72a67bdc1a7","status":"affected","versionType":"git"},{"version":"1d76efe1577b4323609b1bcbfafa8b731eda071a","lessThan":"cd05eec2ee0cc396813a32ef675634e403748255","status":"affected","versionType":"git"},{"version":"1d76efe1577b4323609b1bcbfafa8b731eda071a","lessThan":"2f0acb0736ecc3eb85dc80ad2790d634dcb10b58","status":"affected","versionType":"git"},{"version":"1d76efe1577b4323609b1bcbfafa8b731eda071a","lessThan":"cac50d9f5d876be32cb9aa21c74018468900284d","status":"affected","versionType":"git"},{"version":"1d76efe1577b4323609b1bcbfafa8b731eda071a","lessThan":"492032760127251e5540a5716a70996bacf2a3fd","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":"semver"},{"version":"4.14.327","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.296","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.258","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.198","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.134","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.56","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.5.6","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6","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":"3.7","versionEndExcluding":"4.14.327"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"4.19.296"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.4.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.10.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.15.134"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.1.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.5.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.6"}]}]}],"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-1.2.0"}},"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"]}]}]}}