Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - f2fs拆分 extent_cache 的初始条件和动态条件 我们假设在没有动态条件的情况下分配 extent_cache 树以避免缺少条件造成以下错误。 # 创建具有压缩标记的文件 # 禁用压缩 # 更新 extent_cache F2FS-fs (dm-64): Swapfile最后一个盘区与区段不符 F2FS-fs (dm-64): Swapfile (3) 是不符合 节1) creat()2) ioctl(F2FS_IOC_SET_PIN_FILE)3) fallocate(2097152 * N) 在 ./swap-file 中添加 124996k 交换。Priority:0 extents:2 cross:17179494468k ========================================= ========================= 缺陷
    KASANinstrument_atomic_read_write out/common/include/linux/instrumented.h:101 [内联] 缺陷KASANatomic_try_cmpxchg_acquire out/common/include/asm-generic/atomic-instrumented 中存在 null-ptr-deref。 h:705 [内联] BUGKASANqueued_write_lock out/common/include/asm-generic/qrwlock.h:92 [inline] BUGKASANqueued_write_lock out/common/ 中存在 null-ptr-deref include/linux/rwlock_api_smp.h:211 [内联] 缺陷KASAN中的 null-ptr-deref
    _raw_write_lock+0x5a/0x110 out/common/kernel/locking/spinlock.c:295 由任务 syz-executor154/3327 在 addr 0000000000000030 进行的大小 4 的 4 写入CPU: 0 PID: 3327 Comm: syz-executor154 受感染的: GO 5.10.185 #1 硬件名称仿真 qemu-x86/qemu-x86、BIOS 2023.01-21885-gb3cc1cd24d 01/01/2023 调用跟踪
    __dump_stack out/common/lib/dump_stack.c:77 [inline] dump_stack_lvl+0x17e/0x1c4 out/common/lib/dump_stack.c:118 __kasan_report+0x16c/0x260 out/common/mm/kasan/report.c:415 kasan_report +0x51/0x70 out/common/mm/kasan/report.c:428 kasan_check_range+0x2f3/0x340 out/common/mm/kasan/generic.c:186 __kasan_check_write+0x14/0x20 out/common/mm/kasan/shadow。 c:37 Instrument_atomic_read_write out/common/include/linux/instrumented.h:101 [内联] atomic_try_cmpxchg_acquire out/common/include/asm-generic/atomic-instrumented.h:705 [内联] queued_write_lock out/common/include/asm- generic/qrwlock.h:92 [inline] __raw_write_lock out/common/include/linux/rwlock_api_smp.h:211 [inline] _raw_write_lock+0x5a/0x110 out/common/kernel/locking/spinlock.c:295 __drop_extent_tree+0xdf/0x2f0 out/common/fs/f2fs/extent_cache.c:1155 f2fs_drop_extent_tree+0x17/0x30 out/common/fs/f2fs/extent_cache.c:1172 f2fs_insert_range out/common/fs/f2fs/file.c:1600 [inline] f2fs_fallocate+ 0x19fd/0x1f40 out/common/fs/f2fs/file.c:1764 vf s_fallocate+0x514/0x9b0 out/common/fs/open.c:310 ksys_fallocate out/common/fs/open.c:333 [inline] __do_sys_fallocate out/common/fs/open.c:341 [inline] __se_sys_fallocate out/common /fs/open.c:339 [内联]
    __x64_sys_fallocate+0xb8/0x100 out/common/fs/open.c:339 do_syscall_64+0x35/0x50 out/common/arch/x86/entry/common.c:46 (CVE-2023-52770)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

检测

Linux Distros 未修补的漏洞：CVE-2023-52770

medium Nessus 插件 ID 227361

版本 1.4