CVE-2023-53265— Linux kernel 安全漏洞
一分钟漏洞结论
影响对象
Linux Linux
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于VID头偏移和大小未正确验证，可能导致越界读取。
影响版本矩阵 18
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | 801c135ce73d5df1caf3eca35b66a10824ae0707< 61e04db3bec87f7dd10074296deb7d083e2ccade |
affected |
801c135ce73d5df1caf3eca35b66a10824ae0707< 771e207a839a29ba943e89f473b0fecd16089e2e |
affected | ||
801c135ce73d5df1caf3eca35b66a10824ae0707< f7adb740f97b6fa84e658892dcb08e37a31a4e77 |
affected | ||
801c135ce73d5df1caf3eca35b66a10824ae0707< 846bfba34175c23b13cc2023c2d67b96e8c14c43 |
affected | ||
801c135ce73d5df1caf3eca35b66a10824ae0707< 701bb3ed5a88a73ebbe1266895bdeff065226dca |
affected | ||
801c135ce73d5df1caf3eca35b66a10824ae0707< 61aeba0e4b4124cfe3c5427feaf29c626dfa89e5 |
affected | ||
801c135ce73d5df1caf3eca35b66a10824ae0707< e1b73fe4f4c6bb80755eb4bf4b867a8fd8b1a7fe |
affected | ||
801c135ce73d5df1caf3eca35b66a10824ae0707< 1b42b1a36fc946f0d7088425b90d491b4257ca3e |
affected | ||
| … +10 条更多 | |||
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一、 漏洞 CVE-2023-53265 基础信息
漏洞信息
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Vulnerability Title
ubi: ensure that VID header offset + VID header size <= alloc, size
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
ubi: ensure that VID header offset + VID header size <= alloc, size
Ensure that the VID header offset + VID header size does not exceed
the allocated area to avoid slab OOB.
BUG: KASAN: slab-out-of-bounds in crc32_body lib/crc32.c:111 [inline]
BUG: KASAN: slab-out-of-bounds in crc32_le_generic lib/crc32.c:179 [inline]
BUG: KASAN: slab-out-of-bounds in crc32_le_base+0x58c/0x626 lib/crc32.c:197
Read of size 4 at addr ffff88802bb36f00 by task syz-executor136/1555
CPU: 2 PID: 1555 Comm: syz-executor136 Tainted: G W
6.0.0-1868 #1
Hardware name: Red Hat KVM, BIOS 1.13.0-2.module+el8.3.0+7860+a7792d29
04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x85/0xad lib/dump_stack.c:106
print_address_description mm/kasan/report.c:317 [inline]
print_report.cold.13+0xb6/0x6bb mm/kasan/report.c:433
kasan_report+0xa7/0x11b mm/kasan/report.c:495
crc32_body lib/crc32.c:111 [inline]
crc32_le_generic lib/crc32.c:179 [inline]
crc32_le_base+0x58c/0x626 lib/crc32.c:197
ubi_io_write_vid_hdr+0x1b7/0x472 drivers/mtd/ubi/io.c:1067
create_vtbl+0x4d5/0x9c4 drivers/mtd/ubi/vtbl.c:317
create_empty_lvol drivers/mtd/ubi/vtbl.c:500 [inline]
ubi_read_volume_table+0x67b/0x288a drivers/mtd/ubi/vtbl.c:812
ubi_attach+0xf34/0x1603 drivers/mtd/ubi/attach.c:1601
ubi_attach_mtd_dev+0x6f3/0x185e drivers/mtd/ubi/build.c:965
ctrl_cdev_ioctl+0x2db/0x347 drivers/mtd/ubi/cdev.c:1043
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x193/0x213 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3e/0x86 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0x0
RIP: 0033:0x7f96d5cf753d
Code:
RSP: 002b:00007fffd72206f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f96d5cf753d
RDX: 0000000020000080 RSI: 0000000040186f40 RDI: 0000000000000003
RBP: 0000000000400cd0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400be0
R13: 00007fffd72207e0 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Allocated by task 1555:
kasan_save_stack+0x20/0x3d mm/kasan/common.c:38
kasan_set_track mm/kasan/common.c:45 [inline]
set_alloc_info mm/kasan/common.c:437 [inline]
____kasan_kmalloc mm/kasan/common.c:516 [inline]
__kasan_kmalloc+0x88/0xa3 mm/kasan/common.c:525
kasan_kmalloc include/linux/kasan.h:234 [inline]
__kmalloc+0x138/0x257 mm/slub.c:4429
kmalloc include/linux/slab.h:605 [inline]
ubi_alloc_vid_buf drivers/mtd/ubi/ubi.h:1093 [inline]
create_vtbl+0xcc/0x9c4 drivers/mtd/ubi/vtbl.c:295
create_empty_lvol drivers/mtd/ubi/vtbl.c:500 [inline]
ubi_read_volume_table+0x67b/0x288a drivers/mtd/ubi/vtbl.c:812
ubi_attach+0xf34/0x1603 drivers/mtd/ubi/attach.c:1601
ubi_attach_mtd_dev+0x6f3/0x185e drivers/mtd/ubi/build.c:965
ctrl_cdev_ioctl+0x2db/0x347 drivers/mtd/ubi/cdev.c:1043
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x193/0x213 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3e/0x86 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0x0
The buggy address belongs to the object at ffff88802bb36e00
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 0 bytes to the right of
256-byte region [ffff88802bb36e00, ffff88802bb36f00)
The buggy address belongs to the physical page:
page:00000000ea4d1263 refcount:1 mapcount:0 mapping:0000000000000000
index:0x0 pfn:0x2bb36
head:00000000ea4d1263 order:1 compound_mapcount:0 compound_pincount:0
flags: 0xfffffc0010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff)
raw: 000fffffc0010200 ffffea000066c300 dead000000000003 ffff888100042b40
raw: 0000000000000000 00000000001
---truncated---
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于VID头偏移和大小未正确验证，可能导致越界读取。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2023-53265 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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同批安全公告 · Linux · 2025-09-16 · 共 115 条
| CVE-2022-50350 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2025-39806 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53315 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53305 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-39827 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-39826 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53322 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53297 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-39809 | 8.4 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53333 | 8.2 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53314 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-39818 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-39815 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53286 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53311 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50341 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-39825 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53274 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2025-39810 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53331 | 7.8 HIGH | Linux kernel 安全漏洞 |
显示前 20 条，共 115 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2023-53265
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