{"id":"CVE-2023-52915","state":"PUBLISHED","title":"media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer\n\nIn af9035_i2c_master_xfer, msg is controlled by user. When msg[i].buf\nis null and msg[i].len is zero, former checks on msg[i].buf would be\npassed. Malicious data finally reach af9035_i2c_master_xfer. If accessing\nmsg[i].buf[0] without sanity check, null ptr deref would happen.\nWe add check on msg[i].len to prevent crash.\n\nSimilar commit:\ncommit 0ed554fd769a\n(\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\")","publishedAt":"2024-09-06T09:07:49.695Z","updatedAt":"2026-05-11T19:35:33.678Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"b2f54ed7739dfdf42c4df0a11131aad7c8635464","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"fa58d9db5cad4bb7bb694b6837e3b96d87554f2b","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"b49c6e5dd236787f13a062ec528d724169f11152","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"6c01ef65de0b321b2db1ef9abf8f1d15862b937e","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"d9ef84a7c222497ecb5fdf93361c76931804825e","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"0143f282b15f7cedc0392ea10050fb6000fd16e6","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"41b7181a40af84448a2b144fb02d8bf32b7e9a23","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"7bf744f2de0a848fb1d717f5831b03db96feae89","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/dvb-usb-v2/af9035.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.5","versionType":"semver"},{"version":"4.14.326","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.197","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.133","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.55","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.5","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/dvb-usb-v2/af9035.c"]}],"references":["https://git.kernel.org/stable/c/b2f54ed7739dfdf42c4df0a11131aad7c8635464","https://git.kernel.org/stable/c/fa58d9db5cad4bb7bb694b6837e3b96d87554f2b","https://git.kernel.org/stable/c/b49c6e5dd236787f13a062ec528d724169f11152","https://git.kernel.org/stable/c/6c01ef65de0b321b2db1ef9abf8f1d15862b937e","https://git.kernel.org/stable/c/d9ef84a7c222497ecb5fdf93361c76931804825e","https://git.kernel.org/stable/c/0143f282b15f7cedc0392ea10050fb6000fd16e6","https://git.kernel.org/stable/c/41b7181a40af84448a2b144fb02d8bf32b7e9a23","https://git.kernel.org/stable/c/7bf744f2de0a848fb1d717f5831b03db96feae89"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52915.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52915","state":"PUBLISHED","datePublished":"2024-09-06T09:07:49.695Z","dateUpdated":"2026-05-11T19:35:33.678Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-21T06:07:11.017Z"},"containers":{"cna":{"title":"media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer\n\nIn af9035_i2c_master_xfer, msg is controlled by user. When msg[i].buf\nis null and msg[i].len is zero, former checks on msg[i].buf would be\npassed. Malicious data finally reach af9035_i2c_master_xfer. If accessing\nmsg[i].buf[0] without sanity check, null ptr deref would happen.\nWe add check on msg[i].len to prevent crash.\n\nSimilar commit:\ncommit 0ed554fd769a\n(\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\")"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"b2f54ed7739dfdf42c4df0a11131aad7c8635464","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"fa58d9db5cad4bb7bb694b6837e3b96d87554f2b","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"b49c6e5dd236787f13a062ec528d724169f11152","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"6c01ef65de0b321b2db1ef9abf8f1d15862b937e","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"d9ef84a7c222497ecb5fdf93361c76931804825e","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"0143f282b15f7cedc0392ea10050fb6000fd16e6","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"41b7181a40af84448a2b144fb02d8bf32b7e9a23","versionType":"git"},{"version":"7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273","status":"affected","lessThan":"7bf744f2de0a848fb1d717f5831b03db96feae89","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/dvb-usb-v2/af9035.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.5","versionType":"semver"},{"version":"4.14.326","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.197","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.133","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.55","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.5","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/dvb-usb-v2/af9035.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b2f54ed7739dfdf42c4df0a11131aad7c8635464"},{"url":"https://git.kernel.org/stable/c/fa58d9db5cad4bb7bb694b6837e3b96d87554f2b"},{"url":"https://git.kernel.org/stable/c/b49c6e5dd236787f13a062ec528d724169f11152"},{"url":"https://git.kernel.org/stable/c/6c01ef65de0b321b2db1ef9abf8f1d15862b937e"},{"url":"https://git.kernel.org/stable/c/d9ef84a7c222497ecb5fdf93361c76931804825e"},{"url":"https://git.kernel.org/stable/c/0143f282b15f7cedc0392ea10050fb6000fd16e6"},{"url":"https://git.kernel.org/stable/c/41b7181a40af84448a2b144fb02d8bf32b7e9a23"},{"url":"https://git.kernel.org/stable/c/7bf744f2de0a848fb1d717f5831b03db96feae89"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:35:33.678Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"4.14.326"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"4.19.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.4.257"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.10.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.15.133"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.1.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.5.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-10T00:39:49.807538Z","id":"CVE-2023-52915","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-10T14:09:11.116Z"}}]}}}