{
	"document":{
		"aggregate_severity":{
			"namespace":"https://nvd.nist.gov/vuln-metrics/cvss",
			"text":"HIGH"
		},
		"category":"csaf_vex",
		"csaf_version":"2.0",
		"distribution":{
			"tlp":{
				"label":"WHITE",
				"url":"https:/www.first.org/tlp/"
			}
		},
		"lang":"en",
		"notes":[
			{
				"text":"In the Linux kernel, the following vulnerability has been resolved:\n\nubi: ensure that VID header offset + VID header size <= alloc, size\n\nEnsure that the VID header offset + VID header size does not exceed\nthe allocated area to avoid slab OOB.\n\nBUG: KASAN: slab-out-of-bounds in crc32_body lib/crc32.c:111 [inline]\nBUG: KASAN: slab-out-of-bounds in crc32_le_generic lib/crc32.c:179 [inline]\nBUG: KASAN: slab-out-of-bounds in crc32_le_base+0x58c/0x626 lib/crc32.c:197\nRead of size 4 at addr ffff88802bb36f00 by task syz-executor136/1555\n\nCPU: 2 PID: 1555 Comm: syz-executor136 Tainted: G        W\n6.0.0-1868 #1\nHardware name: Red Hat KVM, BIOS 1.13.0-2.module+el8.3.0+7860+a7792d29\n04/01/2014\nCall Trace:\n  <TASK>\n  __dump_stack lib/dump_stack.c:88 [inline]\n  dump_stack_lvl+0x85/0xad lib/dump_stack.c:106\n  print_address_description mm/kasan/report.c:317 [inline]\n  print_report.cold.13+0xb6/0x6bb mm/kasan/report.c:433\n  kasan_report+0xa7/0x11b mm/kasan/report.c:495\n  crc32_body lib/crc32.c:111 [inline]\n  crc32_le_generic lib/crc32.c:179 [inline]\n  crc32_le_base+0x58c/0x626 lib/crc32.c:197\n  ubi_io_write_vid_hdr+0x1b7/0x472 drivers/mtd/ubi/io.c:1067\n  create_vtbl+0x4d5/0x9c4 drivers/mtd/ubi/vtbl.c:317\n  create_empty_lvol drivers/mtd/ubi/vtbl.c:500 [inline]\n  ubi_read_volume_table+0x67b/0x288a drivers/mtd/ubi/vtbl.c:812\n  ubi_attach+0xf34/0x1603 drivers/mtd/ubi/attach.c:1601\n  ubi_attach_mtd_dev+0x6f3/0x185e drivers/mtd/ubi/build.c:965\n  ctrl_cdev_ioctl+0x2db/0x347 drivers/mtd/ubi/cdev.c:1043\n  vfs_ioctl fs/ioctl.c:51 [inline]\n  __do_sys_ioctl fs/ioctl.c:870 [inline]\n  __se_sys_ioctl fs/ioctl.c:856 [inline]\n  __x64_sys_ioctl+0x193/0x213 fs/ioctl.c:856\n  do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n  do_syscall_64+0x3e/0x86 arch/x86/entry/common.c:80\n  entry_SYSCALL_64_after_hwframe+0x63/0x0\nRIP: 0033:0x7f96d5cf753d\nCode:\nRSP: 002b:00007fffd72206f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f96d5cf753d\nRDX: 0000000020000080 RSI: 0000000040186f40 RDI: 0000000000000003\nRBP: 0000000000400cd0 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400be0\nR13: 00007fffd72207e0 R14: 0000000000000000 R15: 0000000000000000\n  </TASK>\n\nAllocated by task 1555:\n  kasan_save_stack+0x20/0x3d mm/kasan/common.c:38\n  kasan_set_track mm/kasan/common.c:45 [inline]\n  set_alloc_info mm/kasan/common.c:437 [inline]\n  ____kasan_kmalloc mm/kasan/common.c:516 [inline]\n  __kasan_kmalloc+0x88/0xa3 mm/kasan/common.c:525\n  kasan_kmalloc include/linux/kasan.h:234 [inline]\n  __kmalloc+0x138/0x257 mm/slub.c:4429\n  kmalloc include/linux/slab.h:605 [inline]\n  ubi_alloc_vid_buf drivers/mtd/ubi/ubi.h:1093 [inline]\n  create_vtbl+0xcc/0x9c4 drivers/mtd/ubi/vtbl.c:295\n  create_empty_lvol drivers/mtd/ubi/vtbl.c:500 [inline]\n  ubi_read_volume_table+0x67b/0x288a drivers/mtd/ubi/vtbl.c:812\n  ubi_attach+0xf34/0x1603 drivers/mtd/ubi/attach.c:1601\n  ubi_attach_mtd_dev+0x6f3/0x185e drivers/mtd/ubi/build.c:965\n  ctrl_cdev_ioctl+0x2db/0x347 drivers/mtd/ubi/cdev.c:1043\n  vfs_ioctl fs/ioctl.c:51 [inline]\n  __do_sys_ioctl fs/ioctl.c:870 [inline]\n  __se_sys_ioctl fs/ioctl.c:856 [inline]\n  __x64_sys_ioctl+0x193/0x213 fs/ioctl.c:856\n  do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n  do_syscall_64+0x3e/0x86 arch/x86/entry/common.c:80\n  entry_SYSCALL_64_after_hwframe+0x63/0x0\n\nThe buggy address belongs to the object at ffff88802bb36e00\n  which belongs to the cache kmalloc-256 of size 256\nThe buggy address is located 0 bytes to the right of\n  256-byte region [ffff88802bb36e00, ffff88802bb36f00)\n\nThe buggy address belongs to the physical page:\npage:00000000ea4d1263 refcount:1 mapcount:0 mapping:0000000000000000\nindex:0x0 pfn:0x2bb36\nhead:00000000ea4d1263 order:1 compound_mapcount:0 compound_pincount:0\nflags: 0xfffffc0010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff)\nraw: 000fffffc0010200 ffffea000066c300 dead000000000003 ffff888100042b40\nraw: 0000000000000000 00000000001\n---truncated---",
				"category":"general",
				"title":"Synopsis"
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			"namespace":"https://www.openeuler.org",
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			"category":"vendor"
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		"references":[
			{
				"summary":"nvd cve",
				"category":"external",
				"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53265"
			},
			{
				"summary":"CVE-2023-53265 vex file",
				"category":"self",
				"url":"https://repo.openeuler.org/security/data/csaf/cve/2023/csaf-openeuler-cve-2023-53265.json"
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				"summary":"openEuler-SA-2025-2553",
				"category":"self",
				"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2553"
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			{
				"summary":"CVE-2023-53265",
				"category":"self",
				"url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2023-53265&packageName=kernel"
			}
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		"title":"openEuler cve CVE-2023-53265",
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			"initial_release_date":"2025-11-06T17:04:01+08:00",
			"revision_history":[
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					"date":"2025-11-06T17:04:01+08:00",
					"summary":"Initial",
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				"date":"2025-11-06T17:04:01+08:00",
				"engine":{
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			},
			"current_release_date":"2025-11-06T17:04:01+08:00",
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		{
			"cve":"CVE-2023-53265",
			"notes":[
				{
					"text":"In the Linux kernel, the following vulnerability has been resolved:\n\nubi: ensure that VID header offset + VID header size <= alloc, size\n\nEnsure that the VID header offset + VID header size does not exceed\nthe allocated area to avoid slab OOB.\n\nBUG: KASAN: slab-out-of-bounds in crc32_body lib/crc32.c:111 [inline]\nBUG: KASAN: slab-out-of-bounds in crc32_le_generic lib/crc32.c:179 [inline]\nBUG: KASAN: slab-out-of-bounds in crc32_le_base+0x58c/0x626 lib/crc32.c:197\nRead of size 4 at addr ffff88802bb36f00 by task syz-executor136/1555\n\nCPU: 2 PID: 1555 Comm: syz-executor136 Tainted: G        W\n6.0.0-1868 #1\nHardware name: Red Hat KVM, BIOS 1.13.0-2.module+el8.3.0+7860+a7792d29\n04/01/2014\nCall Trace:\n  <TASK>\n  __dump_stack lib/dump_stack.c:88 [inline]\n  dump_stack_lvl+0x85/0xad lib/dump_stack.c:106\n  print_address_description mm/kasan/report.c:317 [inline]\n  print_report.cold.13+0xb6/0x6bb mm/kasan/report.c:433\n  kasan_report+0xa7/0x11b mm/kasan/report.c:495\n  crc32_body lib/crc32.c:111 [inline]\n  crc32_le_generic lib/crc32.c:179 [inline]\n  crc32_le_base+0x58c/0x626 lib/crc32.c:197\n  ubi_io_write_vid_hdr+0x1b7/0x472 drivers/mtd/ubi/io.c:1067\n  create_vtbl+0x4d5/0x9c4 drivers/mtd/ubi/vtbl.c:317\n  create_empty_lvol drivers/mtd/ubi/vtbl.c:500 [inline]\n  ubi_read_volume_table+0x67b/0x288a drivers/mtd/ubi/vtbl.c:812\n  ubi_attach+0xf34/0x1603 drivers/mtd/ubi/attach.c:1601\n  ubi_attach_mtd_dev+0x6f3/0x185e drivers/mtd/ubi/build.c:965\n  ctrl_cdev_ioctl+0x2db/0x347 drivers/mtd/ubi/cdev.c:1043\n  vfs_ioctl fs/ioctl.c:51 [inline]\n  __do_sys_ioctl fs/ioctl.c:870 [inline]\n  __se_sys_ioctl fs/ioctl.c:856 [inline]\n  __x64_sys_ioctl+0x193/0x213 fs/ioctl.c:856\n  do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n  do_syscall_64+0x3e/0x86 arch/x86/entry/common.c:80\n  entry_SYSCALL_64_after_hwframe+0x63/0x0\nRIP: 0033:0x7f96d5cf753d\nCode:\nRSP: 002b:00007fffd72206f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f96d5cf753d\nRDX: 0000000020000080 RSI: 0000000040186f40 RDI: 0000000000000003\nRBP: 0000000000400cd0 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400be0\nR13: 00007fffd72207e0 R14: 0000000000000000 R15: 0000000000000000\n  </TASK>\n\nAllocated by task 1555:\n  kasan_save_stack+0x20/0x3d mm/kasan/common.c:38\n  kasan_set_track mm/kasan/common.c:45 [inline]\n  set_alloc_info mm/kasan/common.c:437 [inline]\n  ____kasan_kmalloc mm/kasan/common.c:516 [inline]\n  __kasan_kmalloc+0x88/0xa3 mm/kasan/common.c:525\n  kasan_kmalloc include/linux/kasan.h:234 [inline]\n  __kmalloc+0x138/0x257 mm/slub.c:4429\n  kmalloc include/linux/slab.h:605 [inline]\n  ubi_alloc_vid_buf drivers/mtd/ubi/ubi.h:1093 [inline]\n  create_vtbl+0xcc/0x9c4 drivers/mtd/ubi/vtbl.c:295\n  create_empty_lvol drivers/mtd/ubi/vtbl.c:500 [inline]\n  ubi_read_volume_table+0x67b/0x288a drivers/mtd/ubi/vtbl.c:812\n  ubi_attach+0xf34/0x1603 drivers/mtd/ubi/attach.c:1601\n  ubi_attach_mtd_dev+0x6f3/0x185e drivers/mtd/ubi/build.c:965\n  ctrl_cdev_ioctl+0x2db/0x347 drivers/mtd/ubi/cdev.c:1043\n  vfs_ioctl fs/ioctl.c:51 [inline]\n  __do_sys_ioctl fs/ioctl.c:870 [inline]\n  __se_sys_ioctl fs/ioctl.c:856 [inline]\n  __x64_sys_ioctl+0x193/0x213 fs/ioctl.c:856\n  do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n  do_syscall_64+0x3e/0x86 arch/x86/entry/common.c:80\n  entry_SYSCALL_64_after_hwframe+0x63/0x0\n\nThe buggy address belongs to the object at ffff88802bb36e00\n  which belongs to the cache kmalloc-256 of size 256\nThe buggy address is located 0 bytes to the right of\n  256-byte region [ffff88802bb36e00, ffff88802bb36f00)\n\nThe buggy address belongs to the physical page:\npage:00000000ea4d1263 refcount:1 mapcount:0 mapping:0000000000000000\nindex:0x0 pfn:0x2bb36\nhead:00000000ea4d1263 order:1 compound_mapcount:0 compound_pincount:0\nflags: 0xfffffc0010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff)\nraw: 000fffffc0010200 ffffea000066c300 dead000000000003 ffff888100042b40\nraw: 0000000000000000 00000000001\n---truncated---",
					"category":"description",
					"title":"Vulnerability Description"
				}
			],
			"product_status":{
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					],
					"details":"kernel security update",
					"category":"vendor_fix",
					"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2553"
				}
			],
			"scores":[
				{
					"cvss_v3":{
						"baseSeverity":"HIGH",
						"baseScore":7.0,
						"vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
						"version":"3.1"
					},
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					]
				}
			],
			"threats":[
				{
					"details":"High",
					"category":"impact"
				}
			],
			"title":"CVE-2023-53265"
		}
	]
}