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CVE-2024-50246— fs/ntfs3: Add rough attr alloc_size check

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，该漏洞源于属性alloc_size粗略检查问题。

CVSS 7.8 · High EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e< effac690913af9a6c3d6cd967281a34e47ed3e4c affected
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e< e91fbb21f248bdd8140f343dac32b77b9bc10fec affected
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e< 2fcae4c2014a40c8ae0fc3d8cca3ba9e168308de affected
4534a70b7056fd4b9a1c6db5a4ce3c98546b291e< c4a8ba334262e9a5c158d618a4820e1b9c12495c affected
5.15 affected
< 5.15 unaffected
6.1.131≤ 6.1.* unaffected
6.6.60≤ 6.6.* unaffected
… +2 more rows
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I. Basic Information for CVE-2024-50246

Vulnerability Information
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Vulnerability Title
fs/ntfs3: Add rough attr alloc_size check
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add rough attr alloc_size check
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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，该漏洞源于属性alloc_size粗略检查问题。
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 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e ~ effac690913af9a6c3d6cd967281a34e47ed3e4c -
Linux Linux 5.15 -

II. Public POCs for CVE-2024-50246

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2024-50246

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Other References for CVE-2024-50246 (1)

Same Patch Batch · Linux · 2024-11-09 · 49 CVEs total

CVE-2024-50215 8.1 HIGH nvmet-auth: assign dh_key to NULL after kfree_sensitive
CVE-2024-50235 7.8 HIGH wifi: cfg80211: clear wdev->cqm_config pointer on free
CVE-2024-50217 7.8 HIGH btrfs: fix use-after-free of block device file in __btrfs_free_extra_devids()
CVE-2024-50261 7.8 HIGH macsec: Fix use-after-free while sending the offloading packet
CVE-2024-50221 7.8 HIGH drm/amd/pm: Vangogh: Fix kernel memory out of bounds write
CVE-2024-50225 7.8 HIGH btrfs: fix error propagation of split bios
CVE-2024-50253 7.8 HIGH bpf: Check the validity of nr_words in bpf_iter_bits_new()
CVE-2024-50230 7.8 HIGH nilfs2: fix kernel bug due to missing clearing of checked flag
CVE-2024-50237 7.8 HIGH wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower
CVE-2024-50250 7.8 HIGH fsdax: dax_unshare_iter needs to copy entire blocks
CVE-2024-50262 7.8 HIGH bpf: Fix out-of-bounds write in trie_get_next_key()
CVE-2024-50256 7.5 HIGH netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6()
CVE-2024-50241 7.5 HIGH NFSD: Initialize struct nfsd4_copy earlier
CVE-2024-50247 7.3 HIGH fs/ntfs3: Check if more than chunk-size bytes are written
CVE-2024-50248 7.1 HIGH ntfs3: Add bounds checking to mi_enum_attr()
CVE-2024-50222 7.0 HIGH iov_iter: fix copy_page_from_iter_atomic() if KMAP_LOCAL_FORCE_MAP
CVE-2024-50257 7.0 HIGH netfilter: Fix use-after-free in get_info()
CVE-2024-50245 fs/ntfs3: Fix possible deadlock in mi_read
CVE-2024-50243 fs/ntfs3: Fix general protection fault in run_is_mapped_full
CVE-2024-50244 fs/ntfs3: Additional check in ni_clear()

Showing top 20 of 49 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-50246

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