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CVE-2024-41016— ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry()

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，该漏洞源于在 ocfs2_xattr_find_entry 中，在进行 memcmp 之前没有进行严格的边界检查。

CVSS 7.8 · High EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux cf1d6c763fbcb115263114302485ad17e7933d87< e2b3d7a9d019d4d1a0da6c3ea64a1ff79c99c090 affected
cf1d6c763fbcb115263114302485ad17e7933d87< e8f9c4af7af7e9e4cd09c0251c7936593147419f affected
cf1d6c763fbcb115263114302485ad17e7933d87< 57a3d89831fcaa2cdbe024b47c7c36d5a56c3637 affected
cf1d6c763fbcb115263114302485ad17e7933d87< c031d286eceb82f72f8623b7f4abd2aa491bfb5e affected
cf1d6c763fbcb115263114302485ad17e7933d87< cfb926051fab19b10d1e65976211f364aa820180 affected
cf1d6c763fbcb115263114302485ad17e7933d87< c726dea9d0c806d64c26fcef483b1fb9474d8c5e affected
cf1d6c763fbcb115263114302485ad17e7933d87< e4ffea01adf3323c821b6f37e9577d2d400adbaa affected
cf1d6c763fbcb115263114302485ad17e7933d87< af77c4fc1871847b528d58b7fdafb4aa1f6a9262 affected
… +10 more rows
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I. Basic Information for CVE-2024-41016

Vulnerability Information
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Vulnerability Title
ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry() xattr in ocfs2 maybe 'non-indexed', which saved with additional space requested. It's better to check if the memory is out of bound before memcmp, although this possibility mainly comes from crafted poisonous images.
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，该漏洞源于在 ocfs2_xattr_find_entry 中，在进行 memcmp 之前没有进行严格的边界检查。
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 cf1d6c763fbcb115263114302485ad17e7933d87 ~ e2b3d7a9d019d4d1a0da6c3ea64a1ff79c99c090 -
Linux Linux 2.6.28 -

II. Public POCs for CVE-2024-41016

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III. Intelligence Information for CVE-2024-41016

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Patches & Fixes for CVE-2024-41016 (4)

Other References for CVE-2024-41016 (3)

Same Patch Batch · Linux · 2024-07-29 · 121 CVEs total

CVE-2024-41040 9.8 CRITICAL net/sched: Fix UAF when resolving a clash
CVE-2024-41081 9.8 CRITICAL ila: block BH in ila_output()
CVE-2024-41073 9.8 CRITICAL nvme: avoid double free special payload
CVE-2024-41091 8.8 HIGH tun: add missing verification for short frame
CVE-2024-41090 8.8 HIGH tap: add missing verification for short frame
CVE-2024-41046 8.8 HIGH net: ethernet: lantiq_etop: fix double free in detach
CVE-2024-42083 8.8 HIGH ionic: fix kernel panic due to multi-buffer handling
CVE-2024-41062 8.8 HIGH bluetooth/l2cap: sync sock recv cb and release
CVE-2024-41045 7.8 HIGH bpf: Defer work in bpf_timer_cancel_and_free
CVE-2024-41051 7.8 HIGH cachefiles: wait for ondemand_object_worker to finish when dropping object
CVE-2024-41049 7.8 HIGH filelock: fix potential use-after-free in posix_lock_inode
CVE-2024-41057 7.8 HIGH cachefiles: fix slab-use-after-free in cachefiles_withdraw_cookie()
CVE-2024-41060 7.8 HIGH drm/radeon: check bo_va->bo is non-NULL before using it
CVE-2024-41059 7.8 HIGH hfsplus: fix uninit-value in copy_name
CVE-2024-42075 7.8 HIGH bpf: Fix remap of arena.
CVE-2024-41064 7.8 HIGH powerpc/eeh: avoid possible crash when edev->pdev changes
CVE-2024-42072 7.8 HIGH bpf: Fix may_goto with negative offset.
CVE-2024-42064 7.8 HIGH drm/amd/display: Skip pipe if the pipe idx not set properly
CVE-2024-41086 7.8 HIGH bcachefs: Fix sb_field_downgrade validation
CVE-2024-41087 7.8 HIGH ata: libata-core: Fix double free on error

Showing top 20 of 121 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-41016

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