{"id":"CVE-2024-47708","state":"PUBLISHED","title":"netkit: Assign missing bpf_net_context","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetkit: Assign missing bpf_net_context\n\nDuring the introduction of struct bpf_net_context handling for\nXDP-redirect, the netkit driver has been missed, which also requires it\nbecause NETKIT_REDIRECT invokes skb_do_redirect() which is accessing the\nper-CPU variables. Otherwise we see the following crash:\n\n\tBUG: kernel NULL pointer dereference, address: 0000000000000038\n\tbpf_redirect()\n\tnetkit_xmit()\n\tdev_hard_start_xmit()\n\nSet the bpf_net_context before invoking netkit_xmit() program within the\nnetkit driver.","publishedAt":"2024-10-21T11:53:42.086Z","updatedAt":"2026-05-11T20:39:14.982Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"401cb7dae8130fd34eb84648e02ab4c506df7d5e","status":"affected","lessThan":"182c6fed8c7f62cddce0126ec1fc0da2b700fb11","versionType":"git"},{"version":"401cb7dae8130fd34eb84648e02ab4c506df7d5e","status":"affected","lessThan":"157f29152b61ca41809dd7ead29f5733adeced19","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/netkit.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.11.2","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/netkit.c"]}],"references":["https://git.kernel.org/stable/c/182c6fed8c7f62cddce0126ec1fc0da2b700fb11","https://git.kernel.org/stable/c/157f29152b61ca41809dd7ead29f5733adeced19"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/47xxx/CVE-2024-47708.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-47708","state":"PUBLISHED","datePublished":"2024-10-21T11:53:42.086Z","dateUpdated":"2026-05-11T20:39:14.982Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-09-30T16:00:12.947Z"},"containers":{"cna":{"title":"netkit: Assign missing bpf_net_context","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetkit: Assign missing bpf_net_context\n\nDuring the introduction of struct bpf_net_context handling for\nXDP-redirect, the netkit driver has been missed, which also requires it\nbecause NETKIT_REDIRECT invokes skb_do_redirect() which is accessing the\nper-CPU variables. Otherwise we see the following crash:\n\n\tBUG: kernel NULL pointer dereference, address: 0000000000000038\n\tbpf_redirect()\n\tnetkit_xmit()\n\tdev_hard_start_xmit()\n\nSet the bpf_net_context before invoking netkit_xmit() program within the\nnetkit driver."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"401cb7dae8130fd34eb84648e02ab4c506df7d5e","status":"affected","lessThan":"182c6fed8c7f62cddce0126ec1fc0da2b700fb11","versionType":"git"},{"version":"401cb7dae8130fd34eb84648e02ab4c506df7d5e","status":"affected","lessThan":"157f29152b61ca41809dd7ead29f5733adeced19","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/netkit.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.11","versionType":"semver"},{"version":"6.11.2","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/netkit.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/182c6fed8c7f62cddce0126ec1fc0da2b700fb11"},{"url":"https://git.kernel.org/stable/c/157f29152b61ca41809dd7ead29f5733adeced19"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:39:14.982Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.11.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-47708","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-21T13:03:38.371923Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-21T13:04:19.377Z"}}]}}}