{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54066","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-24T12:21:05.092Z","datePublished":"2025-12-24T12:23:11.431Z","dateUpdated":"2026-05-11T19:54:49.186Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:54:49.186Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-usb-v2: gl861: Fix null-ptr-deref in gl861_i2c_master_xfer\n\nIn gl861_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 gl861_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":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/dvb-usb-v2/gl861.c"],"versions":[{"version":"1ea76d16569b7fc242b860c7e19549be028b13d1","lessThan":"578b67614ae0e4fba3945b66a4c8f9ae77115bcb","status":"affected","versionType":"git"},{"version":"1ea76d16569b7fc242b860c7e19549be028b13d1","lessThan":"2a33fc57133d6f39d62285df6706aeb1714967f1","status":"affected","versionType":"git"},{"version":"1ea76d16569b7fc242b860c7e19549be028b13d1","lessThan":"dfcd3c010209927b9f45b860f046635dc32e32e1","status":"affected","versionType":"git"},{"version":"1ea76d16569b7fc242b860c7e19549be028b13d1","lessThan":"72af676551efe820e309a6c7681c2c4372f37376","status":"affected","versionType":"git"},{"version":"1ea76d16569b7fc242b860c7e19549be028b13d1","lessThan":"b97719a66970601cd3151a3e2020f4454a1c4ff6","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/media/usb/dvb-usb-v2/gl861.c"],"versions":[{"version":"5.5","status":"affected"},{"version":"0","lessThan":"5.5","status":"unaffected","versionType":"semver"},{"version":"5.10.197","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.133","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.55","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.5.5","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":"5.5","versionEndExcluding":"5.10.197"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.15.133"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.1.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.5.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/578b67614ae0e4fba3945b66a4c8f9ae77115bcb"},{"url":"https://git.kernel.org/stable/c/2a33fc57133d6f39d62285df6706aeb1714967f1"},{"url":"https://git.kernel.org/stable/c/dfcd3c010209927b9f45b860f046635dc32e32e1"},{"url":"https://git.kernel.org/stable/c/72af676551efe820e309a6c7681c2c4372f37376"},{"url":"https://git.kernel.org/stable/c/b97719a66970601cd3151a3e2020f4454a1c4ff6"}],"title":"media: dvb-usb-v2: gl861: Fix null-ptr-deref in gl861_i2c_master_xfer","x_generator":{"engine":"bippy-1.2.0"}}}}