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vuln-cve/data/2023/53xxx/CVE-2023-53108.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-53108",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-05-02T15:51:43.553Z",
"datePublished": "2025-05-02T15:55:48.867Z",
"dateUpdated": "2026-11-05T20:21:01.475Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:38:39.833Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/iucv: Fix size of interrupt data\n\niucv_irq_data needs to be 4 bytes larger.\nThese bytes are not used by the iucv module, but written by\nthe z/VM hypervisor in case a CPU is deconfigured.\n\nReported as:\nBUG dma-kmalloc-64 (Not tainted): kmalloc Redzone overwritten\n-----------------------------------------------------------------------------\n0x0000000000400564-0x0000000000400567 @offset=1380. First byte 0x80 instead of 0xcc\nAllocated in iucv_cpu_prepare+0x44/0xd0 age=167839 cpu=2 pid=1\n__kmem_cache_alloc_node+0x166/0x450\nkmalloc_node_trace+0x3a/0x70\niucv_cpu_prepare+0x44/0xd0\ncpuhp_invoke_callback+0x156/0x2f0\ncpuhp_issue_call+0xf0/0x298\n__cpuhp_setup_state_cpuslocked+0x136/0x338\n__cpuhp_setup_state+0xf4/0x288\niucv_init+0xf4/0x280\ndo_one_initcall+0x78/0x390\ndo_initcalls+0x11a/0x140\nkernel_init_freeable+0x25e/0x2a0\nkernel_init+0x2e/0x170\n__ret_from_fork+0x3c/0x58\nret_from_fork+0xa/0x40\nFreed in iucv_init+0x92/0x280 age=167839 cpu=2 pid=1\n__kmem_cache_free+0x308/0x358\niucv_init+0x92/0x280\ndo_one_initcall+0x78/0x390\ndo_initcalls+0x11a/0x140\nkernel_init_freeable+0x25e/0x2a0\nkernel_init+0x2e/0x170\n__ret_from_fork+0x3c/0x58\nret_from_fork+0xa/0x40\nSlab 0x0000037200010000 objects=32 used=30 fp=0x0000000000400640 flags=0x1ffff00000010200(slab|head|node=0|zone=0|\nObject 0x0000000000400540 @offset=1344 fp=0x0000000000000000\nRedzone 0000000000400500: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ................\nRedzone 0000000000400510: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ................\nRedzone 0000000000400520: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ................\nRedzone 0000000000400530: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ................\nObject 0000000000400540: 00 01 00 03 00 00 00 00 00 00 00 00 00 00 00 00 ................\nObject 0000000000400550: f3 86 81 f2 f4 82 f8 82 f0 f0 f0 f0 f0 f0 f0 f2 ................\nObject 0000000000400560: 00 00 00 00 80 00 00 00 cc cc cc cc cc cc cc cc ................\nObject 0000000000400570: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc ................\nRedzone 0000000000400580: cc cc cc cc cc cc cc cc ........\nPadding 00000000004005d4: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ\nPadding 00000000004005e4: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ\nPadding 00000000004005f4: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZ\nCPU: 6 PID: 121030 Comm: 116-pai-crypto. Not tainted 6.3.0-20230221.rc0.git4.99b8246b2d71.300.fc37.s390x+debug #1\nHardware name: IBM 3931 A01 704 (z/VM 7.3.0)\nCall Trace:\n[<000000032aa034ec>] dump_stack_lvl+0xac/0x100\n[<0000000329f5a6cc>] check_bytes_and_report+0x104/0x140\n[<0000000329f5aa78>] check_object+0x370/0x3c0\n[<0000000329f5ede6>] free_debug_processing+0x15e/0x348\n[<0000000329f5f06a>] free_to_partial_list+0x9a/0x2f0\n[<0000000329f5f4a4>] __slab_free+0x1e4/0x3a8\n[<0000000329f61768>] __kmem_cache_free+0x308/0x358\n[<000000032a91465c>] iucv_cpu_dead+0x6c/0x88\n[<0000000329c2fc66>] cpuhp_invoke_callback+0x156/0x2f0\n[<000000032aa062da>] _cpu_down.constprop.0+0x22a/0x5e0\n[<0000000329c3243e>] cpu_device_down+0x4e/0x78\n[<000000032a61dee0>] device_offline+0xc8/0x118\n[<000000032a61e048>] online_store+0x60/0xe0\n[<000000032a08b6b0>] kernfs_fop_write_iter+0x150/0x1e8\n[<0000000329fab65c>] vfs_write+0x174/0x360\n[<0000000329fab9fc>] ksys_write+0x74/0x100\n[<000000032aa03a5a>] __do_syscall+0x1da/0x208\n[<000000032aa177b2>] system_call+0x82/0xb0\nINFO: lockdep is turned off.\nFIX dma-kmalloc-64: Restoring kmalloc Redzone 0x0000000000400564-0x0000000000400567=0xcc\nFIX dma-kmalloc-64: Object at 0x0000000000400540 not freed"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/iucv/iucv.c"
],
"versions": [
{
"version": "2356f4cb191100a5e92d537f13e5efdbc697e9cb",
"lessThan": "a908eae0f71811afee86be7088692f1aa5855c3b",
"status": "affected",
"versionType": "git"
},
{
"version": "2356f4cb191100a5e92d537f13e5efdbc697e9cb",
"lessThan": "b0d2bb5e31a693ebc8888eb407f8a257a3680efa",
"status": "affected",
"versionType": "git"
},
{
"version": "2356f4cb191100a5e92d537f13e5efdbc697e9cb",
"lessThan": "71da5991b6438ad6da13ceb25465ee2760a1c52f",
"status": "affected",
"versionType": "git"
},
{
"version": "2356f4cb191100a5e92d537f13e5efdbc697e9cb",
"lessThan": "bd2e78462ae18484e55ae4d285df2c86b86bdd12",
"status": "affected",
"versionType": "git"
},
{
"version": "2356f4cb191100a5e92d537f13e5efdbc697e9cb",
"lessThan": "3cfdefdaaa4b2a77e84d0db5e0a47a7aa3bb615a",
"status": "affected",
"versionType": "git"
},
{
"version": "2356f4cb191100a5e92d537f13e5efdbc697e9cb",
"lessThan": "c78f1345db4e4b3b78f9b768f4074ebd60abe966",
"status": "affected",
"versionType": "git"
},
{
"version": "2356f4cb191100a5e92d537f13e5efdbc697e9cb",
"lessThan": "93a970494881004c348d8feb38463ee72496e99a",
"status": "affected",
"versionType": "git"
},
{
"version": "2356f4cb191100a5e92d537f13e5efdbc697e9cb",
"lessThan": "3d87debb8ed2649608ff432699e7c961c0c6f03b",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/iucv/iucv.c"
],
"versions": [
{
"version": "2.6.21",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.21",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.14.311",
"lessThanOrEqual": "4.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "4.19.279",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.238",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.176",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.104",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.21",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.2.8",
"lessThanOrEqual": "6.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.3",
"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": "2.6.21",
"versionEndExcluding": "4.14.311"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.21",
"versionEndExcluding": "4.19.279"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.21",
"versionEndExcluding": "5.4.238"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.21",
"versionEndExcluding": "5.10.176"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.21",
"versionEndExcluding": "5.15.104"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.21",
"versionEndExcluding": "6.1.21"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.21",
"versionEndExcluding": "6.2.8"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.21",
"versionEndExcluding": "6.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/a908eae0f71811afee86be7088692f1aa5855c3b"
},
{
"url": "https://git.kernel.org/stable/c/b0d2bb5e31a693ebc8888eb407f8a257a3680efa"
},
{
"url": "https://git.kernel.org/stable/c/71da5991b6438ad6da13ceb25465ee2760a1c52f"
},
{
"url": "https://git.kernel.org/stable/c/bd2e78462ae18484e55ae4d285df2c86b86bdd12"
},
{
"url": "https://git.kernel.org/stable/c/3cfdefdaaa4b2a77e84d0db5e0a47a7aa3bb615a"
},
{
"url": "https://git.kernel.org/stable/c/c78f1345db4e4b3b78f9b768f4074ebd60abe966"
},
{
"url": "https://git.kernel.org/stable/c/93a970494881004c348d8feb38463ee72496e99a"
},
{
"url": "https://git.kernel.org/stable/c/3d87debb8ed2649608ff432699e7c961c0c6f03b"
}
],
"title": "net/iucv: Fix size of interrupt data",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2023-53108",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-05T20:17:26.556284Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T20:21:01.475Z"
}
}
]
}
}
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