CVE-2025-38577

{
  "id": "CVE-2025-38577",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "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": "0f18b462b2e5aff64b8638e8a47284b907351ef3",
              "lessThan": "15df59809c54fbd687cdf27efbd2103a937459be",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0f18b462b2e5aff64b8638e8a47284b907351ef3",
              "lessThan": "9535e440fe5bc6c5ac7cfb407e53bf788b8bf8d4",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0f18b462b2e5aff64b8638e8a47284b907351ef3",
              "lessThan": "5cd99d5aa3d39086bdb53eb5c52df16e98b101a0",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0f18b462b2e5aff64b8638e8a47284b907351ef3",
              "lessThan": "4732ca17c17f5062426cfa982f43593e6b81963b",
              "versionType": "git"
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            {
              "status": "affected",
              "version": "0f18b462b2e5aff64b8638e8a47284b907351ef3",
              "lessThan": "880ef748e78a1eb7df2d8e11a9ef21e98bcaabe5",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0f18b462b2e5aff64b8638e8a47284b907351ef3",
              "lessThan": "97df495d754116c8c28ac6a4112f831727bde887",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0f18b462b2e5aff64b8638e8a47284b907351ef3",
              "lessThan": "9bbfe83924946552c4c513099c0e8c83af76311a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0f18b462b2e5aff64b8638e8a47284b907351ef3",
              "lessThan": "42f9ea16aea8b49febaa87950a006a1792209f38",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "0f18b462b2e5aff64b8638e8a47284b907351ef3",
              "lessThan": "a509a55f8eecc8970b3980c6f06886bbff0e2f68",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "fs/f2fs/inode.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.8"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "4.8",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.4.297",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "status": "unaffected",
              "version": "5.10.241",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.190",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.148",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.102",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.42",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.15.10",
              "versionType": "semver",
              "lessThanOrEqual": "6.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.16.1",
              "versionType": "semver",
              "lessThanOrEqual": "6.16.*"
            },
            {
              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "fs/f2fs/inode.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-08-19T17:15:34.720",
  "references": [
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      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid panic in f2fs_evict_inode\n\nAs syzbot [1] reported as below:\n\nR10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe17473450\nR13: 00007f28b1c10854 R14: 000000000000dae5 R15: 00007ffe17474520\n </TASK>\n---[ end trace 0000000000000000 ]---\n==================================================================\nBUG: KASAN: use-after-free in __list_del_entry_valid+0xa6/0x130 lib/list_debug.c:62\nRead of size 8 at addr ffff88812d962278 by task syz-executor/564\n\nCPU: 1 PID: 564 Comm: syz-executor Tainted: G        W          6.1.129-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025\nCall Trace:\n <TASK>\n __dump_stack+0x21/0x24 lib/dump_stack.c:88\n dump_stack_lvl+0xee/0x158 lib/dump_stack.c:106\n print_address_description+0x71/0x210 mm/kasan/report.c:316\n print_report+0x4a/0x60 mm/kasan/report.c:427\n kasan_report+0x122/0x150 mm/kasan/report.c:531\n __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:351\n __list_del_entry_valid+0xa6/0x130 lib/list_debug.c:62\n __list_del_entry include/linux/list.h:134 [inline]\n list_del_init include/linux/list.h:206 [inline]\n f2fs_inode_synced+0xf7/0x2e0 fs/f2fs/super.c:1531\n f2fs_update_inode+0x74/0x1c40 fs/f2fs/inode.c:585\n f2fs_update_inode_page+0x137/0x170 fs/f2fs/inode.c:703\n f2fs_write_inode+0x4ec/0x770 fs/f2fs/inode.c:731\n write_inode fs/fs-writeback.c:1460 [inline]\n __writeback_single_inode+0x4a0/0xab0 fs/fs-writeback.c:1677\n writeback_single_inode+0x221/0x8b0 fs/fs-writeback.c:1733\n sync_inode_metadata+0xb6/0x110 fs/fs-writeback.c:2789\n f2fs_sync_inode_meta+0x16d/0x2a0 fs/f2fs/checkpoint.c:1159\n block_operations fs/f2fs/checkpoint.c:1269 [inline]\n f2fs_write_checkpoint+0xca3/0x2100 fs/f2fs/checkpoint.c:1658\n kill_f2fs_super+0x231/0x390 fs/f2fs/super.c:4668\n deactivate_locked_super+0x98/0x100 fs/super.c:332\n deactivate_super+0xaf/0xe0 fs/super.c:363\n cleanup_mnt+0x45f/0x4e0 fs/namespace.c:1186\n __cleanup_mnt+0x19/0x20 fs/namespace.c:1193\n task_work_run+0x1c6/0x230 kernel/task_work.c:203\n exit_task_work include/linux/task_work.h:39 [inline]\n do_exit+0x9fb/0x2410 kernel/exit.c:871\n do_group_exit+0x210/0x2d0 kernel/exit.c:1021\n __do_sys_exit_group kernel/exit.c:1032 [inline]\n __se_sys_exit_group kernel/exit.c:1030 [inline]\n __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1030\n x64_sys_call+0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232\n do_syscall_x64 arch/x86/entry/common.c:51 [inline]\n do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81\n entry_SYSCALL_64_after_hwframe+0x68/0xd2\nRIP: 0033:0x7f28b1b8e169\nCode: Unable to access opcode bytes at 0x7f28b1b8e13f.\nRSP: 002b:00007ffe174710a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 00007f28b1c10879 RCX: 00007f28b1b8e169\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001\nRBP: 0000000000000002 R08: 00007ffe1746ee47 R09: 00007ffe17472360\nR10: 0000000000000009 R11: 0000000000000246 R12: 00007ffe17472360\nR13: 00007f28b1c10854 R14: 000000000000dae5 R15: 00007ffe17474520\n </TASK>\n\nAllocated by task 569:\n kasan_save_stack mm/kasan/common.c:45 [inline]\n kasan_set_track+0x4b/0x70 mm/kasan/common.c:52\n kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505\n __kasan_slab_alloc+0x72/0x80 mm/kasan/common.c:328\n kasan_slab_alloc include/linux/kasan.h:201 [inline]\n slab_post_alloc_hook+0x4f/0x2c0 mm/slab.h:737\n slab_alloc_node mm/slub.c:3398 [inline]\n slab_alloc mm/slub.c:3406 [inline]\n __kmem_cache_alloc_lru mm/slub.c:3413 [inline]\n kmem_cache_alloc_lru+0x104/0x220 mm/slub.c:3429\n alloc_inode_sb include/linux/fs.h:3245 [inline]\n f2fs_alloc_inode+0x2d/0x340 fs/f2fs/super.c:1419\n alloc_inode fs/inode.c:261 [inline]\n iget_locked+0x186/0x880 fs/inode.c:1373\n f2fs_iget+0x55/0x4c60 fs/f2fs/inode.c:483\n f2fs_lookup+0x366/0xab0 fs/f2fs/namei.c:487\n __lookup_slow+0x2a3/0x3d0 fs/namei.c:1690\n lookup_slow+0x57/0x70 fs/namei.c:1707\n walk_component+0x2e6/0x410 fs/namei\n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: corrección para evitar el pánico en f2fs_evict_inode Como syzbot [1] informó a continuación: R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe17473450 R13: 00007f28b1c10854 R14: 000000000000dae5 R15: 00007ffe17474520  ---[ fin de seguimiento 000000000000000 ]--- ====================================================================== ERROR: KASAN: use-after-free in __list_del_entry_valid+0xa6/0x130 lib/list_debug.c:62 Read of size 8 at addr ffff88812d962278 by task syz-executor/564 CPU: 1 PID: 564 Comm: syz-executor Tainted: G W 6.1.129-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace:  __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x158 lib/dump_stack.c:106 print_address_description+0x71/0x210 mm/kasan/report.c:316 print_report+0x4a/0x60 mm/kasan/report.c:427 kasan_report+0x122/0x150 mm/kasan/report.c:531 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:351 __list_del_entry_valid+0xa6/0x130 lib/list_debug.c:62 __list_del_entry include/linux/list.h:134 [inline] list_del_init include/linux/list.h:206 [inline] f2fs_inode_synced+0xf7/0x2e0 fs/f2fs/super.c:1531 f2fs_update_inode+0x74/0x1c40 fs/f2fs/inode.c:585 f2fs_update_inode_page+0x137/0x170 fs/f2fs/inode.c:703 f2fs_write_inode+0x4ec/0x770 fs/f2fs/inode.c:731 write_inode fs/fs-writeback.c:1460 [inline] __writeback_single_inode+0x4a0/0xab0 fs/fs-writeback.c:1677 writeback_single_inode+0x221/0x8b0 fs/fs-writeback.c:1733 sync_inode_metadata+0xb6/0x110 fs/fs-writeback.c:2789 f2fs_sync_inode_meta+0x16d/0x2a0 fs/f2fs/checkpoint.c:1159 block_operations fs/f2fs/checkpoint.c:1269 [inline] f2fs_write_checkpoint+0xca3/0x2100 fs/f2fs/checkpoint.c:1658 kill_f2fs_super+0x231/0x390 fs/f2fs/super.c:4668 deactivate_locked_super+0x98/0x100 fs/super.c:332 deactivate_super+0xaf/0xe0 fs/super.c:363 cleanup_mnt+0x45f/0x4e0 fs/namespace.c:1186 __cleanup_mnt+0x19/0x20 fs/namespace.c:1193 task_work_run+0x1c6/0x230 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0x9fb/0x2410 kernel/exit.c:871 do_group_exit+0x210/0x2d0 kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1030 x64_sys_call+0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f28b1b8e169 Code: Unable to access opcode bytes at 0x7f28b1b8e13f. RSP: 002b:00007ffe174710a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f28b1c10879 RCX: 00007f28b1b8e169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000002 R08: 00007ffe1746ee47 R09: 00007ffe17472360 R10: 0000000000000009 R11: 0000000000000246 R12: 00007ffe17472360 R13: 00007f28b1c10854 R14: 000000000000dae5 R15: 00007ffe17474520  Allocated by task 569: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505 __kasan_slab_alloc+0x72/0x80 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x4f/0x2c0 mm/slab.h:737 slab_alloc_node mm/slub.c:3398 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc_lru+0x104/0x220 mm/slub.c:3429 alloc_inode_sb include/linux/fs.h:3245 [inline] f2fs_alloc_inode+0x2d/0x340 fs/f2fs/super.c:1419 alloc_inode fs/inode.c:261 [inline] iget_locked+0x186/0x880 fs/inode.c:1373 f2fs_iget+0x55/0x4c60 fs/f2fs/inode.c:483 f2fs_lookup+0x366/0xab0 fs/f2fs/namei.c:487 __lookup_slow+0x2a3/0x3d0 fs/namei.c:1690 lookup_slow+0x57/0x70 fs/namei.c:1707 walk_component+0x2e6/0x410 fs/namei  ---truncado---"
    }
  ],
  "lastModified": "2026-07-30T06:23:27.833",
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}