CVE-2023-54154
Estado: AplazadaSin puntuar—
In the Linux kernel, the following vulnerability has been resolved:
scsi: target: core: Fix target_cmd_counter leak
The target_cmd_counter struct allocated via target_alloc_cmd_counter() is never freed, resulting in leaks across various transport types, e.g.:
Free the structure alongside the corresponding iscsit_conn / se_sess parent.
Detalles técnicos trazas, registros y código del informe original
unreferenced object 0xffff88801f920120 (size 96):
comm "sh", pid 102, jiffies 4294892535 (age 713.412s)
hex dump (first 32 bytes):
07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 38 01 92 1f 80 88 ff ff ........8.......
backtrace:
[<00000000e58a6252>] kmalloc_trace+0x11/0x20
[<0000000043af4b2f>] target_alloc_cmd_counter+0x17/0x90 [target_core_mod]
[<000000007da2dfa7>] target_setup_session+0x2d/0x140 [target_core_mod]
[<0000000068feef86>] tcm_loop_tpg_nexus_store+0x19b/0x350 [tcm_loop]
[<000000006a80e021>] configfs_write_iter+0xb1/0x120
[<00000000e9f4d860>] vfs_write+0x2e4/0x3c0
[<000000008143433b>] ksys_write+0x80/0xb0
[<00000000a7df29b2>] do_syscall_64+0x42/0x90
[<0000000053f45fb8>] entry_SYSCALL_64_after_hwframe+0x6e/0xd8CVSS
NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.20%
- Percentil entre todas las CVEs puntuadas: 9
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-54154",
"cveTags": [],
"metrics": {},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "76b77646f17118f5babe93c032e6b7a53bbde3b9",
"lessThan": "1cd41d1669bcbc5052afa897f85608a62ff3fb30",
"versionType": "git"
},
{
"status": "affected",
"version": "becd9be6069e7b183c084f460f0eb363e43cc487",
"lessThan": "f84639c5ac5f4f95b3992da1af4ff382ebf2e819",
"versionType": "git"
},
{
"status": "affected",
"version": "becd9be6069e7b183c084f460f0eb363e43cc487",
"lessThan": "d14e3e553e05cb763964c991fe6acb0a6a1c6f9c",
"versionType": "git"
},
{
"status": "affected",
"version": "bc5ebf93ae23a928303b3643c6f4c4da2f769e7c",
"versionType": "git"
},
{
"status": "affected",
"version": "1eaaf1b828cdaa58abccc68962d24005fd5e8852",
"versionType": "git"
},
{
"status": "affected",
"version": "6.1.28",
"lessThan": "6.1.55",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.2.15",
"lessThan": "6.3",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.3.2",
"lessThan": "6.4",
"versionType": "semver"
}
],
"programFiles": [
"drivers/target/target_core_transport.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.4"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.4",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.55",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.5.5",
"versionType": "semver",
"lessThanOrEqual": "6.5.*"
},
{
"status": "unaffected",
"version": "6.6",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/target/target_core_transport.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2025-12-24T13:16:17.407",
"references": [
{
"url": "https://git.kernel.org/stable/c/1cd41d1669bcbc5052afa897f85608a62ff3fb30",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d14e3e553e05cb763964c991fe6acb0a6a1c6f9c",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/f84639c5ac5f4f95b3992da1af4ff382ebf2e819",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Deferred",
"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."
}
],
"lastModified": "2026-06-17T06:46:54.023",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}