| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: validate lwtstate->data before returning from skb_tunnel_info()\n\nskb_tunnel_info() returns pointer of lwtstate->data as ip_tunnel_info\ntype without validation. lwtstate->data can have various types such as\nmpls_iptunnel_encap, etc and these are not compatible.\nSo skb_tunnel_info() should validate before returning that pointer.\n\nSplat looks like:\nBUG: KASAN: slab-out-of-bounds in vxlan_get_route+0x418/0x4b0 [vxlan]\nRead of size 2 at addr ffff888106ec2698 by task ping/811\n\nCPU: 1 PID: 811 Comm: ping Not tainted 5.13.0+ #1195\nCall Trace:\n dump_stack_lvl+0x56/0x7b\n print_address_description.constprop.8.cold.13+0x13/0x2ee\n ? vxlan_get_route+0x418/0x4b0 [vxlan]\n ? vxlan_get_route+0x418/0x4b0 [vxlan]\n kasan_report.cold.14+0x83/0xdf\n ? vxlan_get_route+0x418/0x4b0 [vxlan]\n vxlan_get_route+0x418/0x4b0 [vxlan]\n [ ... ]\n vxlan_xmit_one+0x148b/0x32b0 [vxlan]\n [ ... ]\n vxlan_xmit+0x25c5/0x4780 [vxlan]\n [ ... ]\n dev_hard_start_xmit+0x1ae/0x6e0\n __dev_queue_xmit+0x1f39/0x31a0\n [ ... ]\n neigh_xmit+0x2f9/0x940\n mpls_xmit+0x911/0x1600 [mpls_iptunnel]\n lwtunnel_xmit+0x18f/0x450\n ip_finish_output2+0x867/0x2040\n [ ... ]" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "include/net/dst_metadata.h" |
| ], |
| "versions": [ |
| { |
| "version": "61adedf3e3f1d3f032c5a6a299978d91eff6d555", |
| "lessThan": "e7f3c9df40515a6c6b46f36c4c94cf48a043f887", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "61adedf3e3f1d3f032c5a6a299978d91eff6d555", |
| "lessThan": "b61d327cd3cc5ea591f3bf751dd11e034f388bb5", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "61adedf3e3f1d3f032c5a6a299978d91eff6d555", |
| "lessThan": "83bdcfbd968bcc91a0632b7b625e4a9b0cba5e0d", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "61adedf3e3f1d3f032c5a6a299978d91eff6d555", |
| "lessThan": "8bb1589c89e61e3b182dd546f1021928ebb5c2a6", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "61adedf3e3f1d3f032c5a6a299978d91eff6d555", |
| "lessThan": "8aa13a86964cdec4fd969ef677c6614ff068641a", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "61adedf3e3f1d3f032c5a6a299978d91eff6d555", |
| "lessThan": "2179d96ec702cc33ead02a9ce40ece599b8538c5", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "61adedf3e3f1d3f032c5a6a299978d91eff6d555", |
| "lessThan": "a915379594f1e045421635c6316d8f3ffa018c58", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "61adedf3e3f1d3f032c5a6a299978d91eff6d555", |
| "lessThan": "67a9c94317402b826fc3db32afc8f39336803d97", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "include/net/dst_metadata.h" |
| ], |
| "versions": [ |
| { |
| "version": "4.3", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "4.3", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.4.277", |
| "lessThanOrEqual": "4.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.9.277", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.241", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.199", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.135", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.53", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.13.5", |
| "lessThanOrEqual": "5.13.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.14", |
| "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": "4.3", |
| "versionEndExcluding": "4.4.277" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.3", |
| "versionEndExcluding": "4.9.277" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.3", |
| "versionEndExcluding": "4.14.241" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.3", |
| "versionEndExcluding": "4.19.199" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.3", |
| "versionEndExcluding": "5.4.135" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.3", |
| "versionEndExcluding": "5.10.53" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.3", |
| "versionEndExcluding": "5.13.5" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.3", |
| "versionEndExcluding": "5.14" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/e7f3c9df40515a6c6b46f36c4c94cf48a043f887" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b61d327cd3cc5ea591f3bf751dd11e034f388bb5" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/83bdcfbd968bcc91a0632b7b625e4a9b0cba5e0d" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8bb1589c89e61e3b182dd546f1021928ebb5c2a6" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8aa13a86964cdec4fd969ef677c6614ff068641a" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/2179d96ec702cc33ead02a9ce40ece599b8538c5" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a915379594f1e045421635c6316d8f3ffa018c58" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/67a9c94317402b826fc3db32afc8f39336803d97" |
| } |
| ], |
| "title": "net: validate lwtstate->data before returning from skb_tunnel_info()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47309", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
