{"id":"CVE-2023-53451","state":"PUBLISHED","title":"scsi: qla2xxx: Fix potential NULL pointer dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix potential NULL pointer dereference\n\nKlocwork tool reported 'cur_dsd' may be dereferenced.  Add fix to validate\npointer before dereferencing the pointer.","publishedAt":"2025-10-01T11:42:22.857Z","updatedAt":"2026-05-11T19:45:15.706Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"02405f4023866ae91a611b5b85cb2e074ec2de5a","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"ee4c9a93238b9ce3703942500cb1aeacf77090d2","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"4f90a8b0481615622bd0558aa8cf361bea872045","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"2bea9c1c983152c5411f5a2f1113cb790ce1389d","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"5a52a2e14fe866541bbc0033058e44bf0bf0c580","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"ce2cdbe530b0066bae1f98dbab590a232d507eaa","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"af7affc0f6b82a5bde430fc4f0dcf70963442fbc","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"464ea494a40c6e3e0e8f91dd325408aaf21515ba","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_iocb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.35","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.35","versionType":"semver"},{"version":"4.14.322","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.291","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.251","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.188","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.121","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.40","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.5","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_iocb.c"]}],"references":["https://git.kernel.org/stable/c/02405f4023866ae91a611b5b85cb2e074ec2de5a","https://git.kernel.org/stable/c/ee4c9a93238b9ce3703942500cb1aeacf77090d2","https://git.kernel.org/stable/c/4f90a8b0481615622bd0558aa8cf361bea872045","https://git.kernel.org/stable/c/2bea9c1c983152c5411f5a2f1113cb790ce1389d","https://git.kernel.org/stable/c/5a52a2e14fe866541bbc0033058e44bf0bf0c580","https://git.kernel.org/stable/c/ce2cdbe530b0066bae1f98dbab590a232d507eaa","https://git.kernel.org/stable/c/af7affc0f6b82a5bde430fc4f0dcf70963442fbc","https://git.kernel.org/stable/c/464ea494a40c6e3e0e8f91dd325408aaf21515ba"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53451.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53451","state":"PUBLISHED","datePublished":"2025-10-01T11:42:22.857Z","dateUpdated":"2026-05-11T19:45:15.706Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-17T14:54:09.754Z"},"containers":{"cna":{"title":"scsi: qla2xxx: Fix potential NULL pointer dereference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix potential NULL pointer dereference\n\nKlocwork tool reported 'cur_dsd' may be dereferenced.  Add fix to validate\npointer before dereferencing the pointer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"02405f4023866ae91a611b5b85cb2e074ec2de5a","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"ee4c9a93238b9ce3703942500cb1aeacf77090d2","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"4f90a8b0481615622bd0558aa8cf361bea872045","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"2bea9c1c983152c5411f5a2f1113cb790ce1389d","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"5a52a2e14fe866541bbc0033058e44bf0bf0c580","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"ce2cdbe530b0066bae1f98dbab590a232d507eaa","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"af7affc0f6b82a5bde430fc4f0dcf70963442fbc","versionType":"git"},{"version":"a9083016a5314b3aeba6e0d2e814872e72168c08","status":"affected","lessThan":"464ea494a40c6e3e0e8f91dd325408aaf21515ba","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_iocb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.35","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.35","versionType":"semver"},{"version":"4.14.322","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.291","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.251","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.188","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.121","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.40","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.5","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_iocb.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/02405f4023866ae91a611b5b85cb2e074ec2de5a"},{"url":"https://git.kernel.org/stable/c/ee4c9a93238b9ce3703942500cb1aeacf77090d2"},{"url":"https://git.kernel.org/stable/c/4f90a8b0481615622bd0558aa8cf361bea872045"},{"url":"https://git.kernel.org/stable/c/2bea9c1c983152c5411f5a2f1113cb790ce1389d"},{"url":"https://git.kernel.org/stable/c/5a52a2e14fe866541bbc0033058e44bf0bf0c580"},{"url":"https://git.kernel.org/stable/c/ce2cdbe530b0066bae1f98dbab590a232d507eaa"},{"url":"https://git.kernel.org/stable/c/af7affc0f6b82a5bde430fc4f0dcf70963442fbc"},{"url":"https://git.kernel.org/stable/c/464ea494a40c6e3e0e8f91dd325408aaf21515ba"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:45:15.706Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"4.14.322"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"4.19.291"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.4.251"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.10.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.15.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.1.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.4.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}