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CVE-2024-53112— ocfs2: uncache inode which has failed entering the group

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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ocfs2组件中inode在加入组失败时未从缓存中移除，导致后续ioctl调用时出现BUG。

AI Predicted 4.4 Difficulty: Easy EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1499.002 · Service Exhaustion Flood

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 7909f2bf835376a20d6dbf853eb459a27566eba2< ac0cfe8ac35cf1be54131b90d114087b558777ca affected
7909f2bf835376a20d6dbf853eb459a27566eba2< 5ae8cc0b0c027e9cab22596049bc4dd1cbc37ee4 affected
7909f2bf835376a20d6dbf853eb459a27566eba2< 28d4ed71ae0b4baedca3e85ee6d8f227ec75ebf6 affected
7909f2bf835376a20d6dbf853eb459a27566eba2< 0e04746db2ec4aec04cef5763b9d9aa32829ae2f affected
7909f2bf835376a20d6dbf853eb459a27566eba2< 620d22598110b0d0cb97a3fcca65fc473ea86e73 affected
7909f2bf835376a20d6dbf853eb459a27566eba2< 843dfc804af4b338ead42331dd58081b428ecdf8 affected
7909f2bf835376a20d6dbf853eb459a27566eba2< b751c50e19d66cfb7360c0b55cf17b0722252d12 affected
7909f2bf835376a20d6dbf853eb459a27566eba2< 737f34137844d6572ab7d473c998c7f977ff30eb affected
… +10 more rows
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I. Basic Information for CVE-2024-53112

Vulnerability Information
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Vulnerability Title
ocfs2: uncache inode which has failed entering the group
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ocfs2: uncache inode which has failed entering the group Syzbot has reported the following BUG: kernel BUG at fs/ocfs2/uptodate.c:509! ... Call Trace: <TASK> ? __die_body+0x5f/0xb0 ? die+0x9e/0xc0 ? do_trap+0x15a/0x3a0 ? ocfs2_set_new_buffer_uptodate+0x145/0x160 ? do_error_trap+0x1dc/0x2c0 ? ocfs2_set_new_buffer_uptodate+0x145/0x160 ? __pfx_do_error_trap+0x10/0x10 ? handle_invalid_op+0x34/0x40 ? ocfs2_set_new_buffer_uptodate+0x145/0x160 ? exc_invalid_op+0x38/0x50 ? asm_exc_invalid_op+0x1a/0x20 ? ocfs2_set_new_buffer_uptodate+0x2e/0x160 ? ocfs2_set_new_buffer_uptodate+0x144/0x160 ? ocfs2_set_new_buffer_uptodate+0x145/0x160 ocfs2_group_add+0x39f/0x15a0 ? __pfx_ocfs2_group_add+0x10/0x10 ? __pfx_lock_acquire+0x10/0x10 ? mnt_get_write_access+0x68/0x2b0 ? __pfx_lock_release+0x10/0x10 ? rcu_read_lock_any_held+0xb7/0x160 ? __pfx_rcu_read_lock_any_held+0x10/0x10 ? smack_log+0x123/0x540 ? mnt_get_write_access+0x68/0x2b0 ? mnt_get_write_access+0x68/0x2b0 ? mnt_get_write_access+0x226/0x2b0 ocfs2_ioctl+0x65e/0x7d0 ? __pfx_ocfs2_ioctl+0x10/0x10 ? smack_file_ioctl+0x29e/0x3a0 ? __pfx_smack_file_ioctl+0x10/0x10 ? lockdep_hardirqs_on_prepare+0x43d/0x780 ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 ? __pfx_ocfs2_ioctl+0x10/0x10 __se_sys_ioctl+0xfb/0x170 do_syscall_64+0xf3/0x230 entry_SYSCALL_64_after_hwframe+0x77/0x7f ... </TASK> When 'ioctl(OCFS2_IOC_GROUP_ADD, ...)' has failed for the particular inode in 'ocfs2_verify_group_and_input()', corresponding buffer head remains cached and subsequent call to the same 'ioctl()' for the same inode issues the BUG() in 'ocfs2_set_new_buffer_uptodate()' (trying to cache the same buffer head of that inode). Fix this by uncaching the buffer head with 'ocfs2_remove_from_cache()' on error path in 'ocfs2_group_add()'.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
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ocfs2组件中inode在加入组失败时未从缓存中移除，导致后续ioctl调用时出现BUG。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 7909f2bf835376a20d6dbf853eb459a27566eba2 ~ ac0cfe8ac35cf1be54131b90d114087b558777ca -
Linux Linux 2.6.25 -

II. Public POCs for CVE-2024-53112

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III. Intelligence Information for CVE-2024-53112

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Patches & Fixes for CVE-2024-53112 (8)

Same Patch Batch · Linux · 2024-12-02 · 22 CVEs total

CVE-2024-53103 7.8 HIGH hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer
CVE-2024-53121 7.8 HIGH net/mlx5: fs, lock FTE when checking if active
CVE-2024-53107 7.8 HIGH fs/proc/task_mmu: prevent integer overflow in pagemap_scan_get_args()
CVE-2024-53109 7.8 HIGH nommu: pass NULL argument to vma_iter_prealloc()
CVE-2024-53122 7.5 HIGH mptcp: cope racing subflow creation in mptcp_rcv_space_adjust
CVE-2024-53120 7.5 HIGH net/mlx5e: CT: Fix null-ptr-deref in add rule err flow
CVE-2024-53124 7.5 HIGH net: fix data-races around sk->sk_forward_alloc
CVE-2024-53106 7.3 HIGH ima: fix buffer overrun in ima_eventdigest_init_common
CVE-2024-53108 7.3 HIGH drm/amd/display: Adjust VSDB parser for replay feature
CVE-2024-53110 7.3 HIGH vp_vdpa: fix id_table array not null terminated error
CVE-2024-53111 7.1 HIGH mm/mremap: fix address wraparound in move_page_tables()
CVE-2024-53114 x86/CPU/AMD: Clear virtualized VMLOAD/VMSAVE on Zen4 client
CVE-2024-53104 media: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_format
CVE-2024-53105 mm: page_alloc: move mlocked flag clearance into free_pages_prepare()
CVE-2024-53113 mm: fix NULL pointer dereference in alloc_pages_bulk_noprof
CVE-2024-53115 drm/vmwgfx: avoid null_ptr_deref in vmw_framebuffer_surface_create_handle
CVE-2024-53116 drm/panthor: Fix handling of partial GPU mapping of BOs
CVE-2024-53117 virtio/vsock: Improve MSG_ZEROCOPY error handling
CVE-2024-53119 virtio/vsock: Fix accept_queue memory leak
CVE-2024-53118 vsock: Fix sk_error_queue memory leak

Showing top 20 of 22 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-53112

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