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CVE-2024-53103— hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer

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hv_sock组件中vsk->trans指针在hvs释放后可能未初始化为NULL，导致悬挂指针问题。

CVSS 7.8 · High EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9< 285266ef92f7b4bf7d26e1e95e215ce6a6badb4a affected
ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9< 4fe1d42f2acc463b733bb42e3f8e67dbc2a0eb2d affected
ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9< 414476c4fb11be070c09ab8f3e75c9ee324a108a affected
ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9< 7cf25987820350cb950856c71b409e5b6eed52bd affected
ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9< 98d8dde9232250a57ad5ef16479bf6a349e09b80 affected
ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9< 4bdc5a62c6e50600d8a1c3e18fd6dce0c27c9497 affected
ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9< e0fe3392371293175f25028020ded5267f4cd8e3 affected
ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9< 8621725afb38e111969c64280b71480afde2aace affected
… +12 more rows
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I. Basic Information for CVE-2024-53103

Vulnerability Information
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Vulnerability Title
hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer When hvs is released, there is a possibility that vsk->trans may not be initialized to NULL, which could lead to a dangling pointer. This issue is resolved by initializing vsk->trans to NULL.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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hv_sock组件中vsk->trans指针在hvs释放后可能未初始化为NULL，导致悬挂指针问题。
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 ae0078fcf0a5eb3a8623bfb5f988262e0911fdb9 ~ 285266ef92f7b4bf7d26e1e95e215ce6a6badb4a -
Linux Linux 4.14 -

II. Public POCs for CVE-2024-53103

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III. Intelligence Information for CVE-2024-53103

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Patches & Fixes for CVE-2024-53103 (9)

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

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-2024-53112 ocfs2: uncache inode which has failed entering the group
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-2024-53103

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