{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54154","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-24T13:02:52.529Z","datePublished":"2025-12-24T13:07:04.721Z","dateUpdated":"2026-05-11T19:56:31.939Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:56:31.939Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: core: Fix target_cmd_counter leak\n\nThe target_cmd_counter struct allocated via target_alloc_cmd_counter() is\nnever freed, resulting in leaks across various transport types, e.g.:\n\n unreferenced object 0xffff88801f920120 (size 96):\n  comm \"sh\", pid 102, jiffies 4294892535 (age 713.412s)\n  hex dump (first 32 bytes):\n    07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 38 01 92 1f 80 88 ff ff  ........8.......\n  backtrace:\n    [<00000000e58a6252>] kmalloc_trace+0x11/0x20\n    [<0000000043af4b2f>] target_alloc_cmd_counter+0x17/0x90 [target_core_mod]\n    [<000000007da2dfa7>] target_setup_session+0x2d/0x140 [target_core_mod]\n    [<0000000068feef86>] tcm_loop_tpg_nexus_store+0x19b/0x350 [tcm_loop]\n    [<000000006a80e021>] configfs_write_iter+0xb1/0x120\n    [<00000000e9f4d860>] vfs_write+0x2e4/0x3c0\n    [<000000008143433b>] ksys_write+0x80/0xb0\n    [<00000000a7df29b2>] do_syscall_64+0x42/0x90\n    [<0000000053f45fb8>] entry_SYSCALL_64_after_hwframe+0x6e/0xd8\n\nFree the structure alongside the corresponding iscsit_conn / se_sess\nparent."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/target_core_transport.c"],"versions":[{"version":"76b77646f17118f5babe93c032e6b7a53bbde3b9","lessThan":"1cd41d1669bcbc5052afa897f85608a62ff3fb30","status":"affected","versionType":"git"},{"version":"becd9be6069e7b183c084f460f0eb363e43cc487","lessThan":"f84639c5ac5f4f95b3992da1af4ff382ebf2e819","status":"affected","versionType":"git"},{"version":"becd9be6069e7b183c084f460f0eb363e43cc487","lessThan":"d14e3e553e05cb763964c991fe6acb0a6a1c6f9c","status":"affected","versionType":"git"},{"version":"bc5ebf93ae23a928303b3643c6f4c4da2f769e7c","status":"affected","versionType":"git"},{"version":"1eaaf1b828cdaa58abccc68962d24005fd5e8852","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/target/target_core_transport.c"],"versions":[{"version":"6.4","status":"affected"},{"version":"0","lessThan":"6.4","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":"6.1.28","versionEndExcluding":"6.1.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.5.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1cd41d1669bcbc5052afa897f85608a62ff3fb30"},{"url":"https://git.kernel.org/stable/c/f84639c5ac5f4f95b3992da1af4ff382ebf2e819"},{"url":"https://git.kernel.org/stable/c/d14e3e553e05cb763964c991fe6acb0a6a1c6f9c"}],"title":"scsi: target: core: Fix target_cmd_counter leak","x_generator":{"engine":"bippy-1.2.0"}}}}