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CVE-2024-50241— NFSD: Initialize struct nfsd4_copy earlier

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nfsd4_copy结构初始化不当。

CVSS 7.5 · High EPSS 0.47% · P40

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 9

VendorProduct Version RangeStatus
Linux Linux 9e52ff544e0bfa09ee339fd7b0937ee3c080c24e< 059434d23c4578d9d02efb92d848ea21bc640112 affected
43e46ee5efc03990b223f7aa8b77aa9c3d3acfdf< 7267625baf365a969f1b25ded6f07b64bc90ec5b affected
7ea9260874b779637aff6d24c344b8ef4ac862a0< c3074003fa6837c2b89a34d8d12d9463b59d22d6 affected
ae267989b7b7933dfedcd26468d0a88fc3a9da9e< 421f1a2a1afb47d88de09457ef7687e1df7bc997 affected
6a488ad7745b8f64625c6d3a24ce7e448e83f11b< e30a9a2f69c34a00a3cb4fd45c5d231929e66fb1 affected
aadc3bbea163b6caaaebfdd2b6c4667fbc726752< 63fab04cbd0f96191b6e5beedc3b643b01c15889 affected
b4e21431a0db4854b5023cd5af001be557e6c3db affected
6.10.14< 6.11 affected
… +1 more rows
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I. Basic Information for CVE-2024-50241

Vulnerability Information
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Vulnerability Title
NFSD: Initialize struct nfsd4_copy earlier
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: NFSD: Initialize struct nfsd4_copy earlier Ensure the refcount and async_copies fields are initialized early. cleanup_async_copy() will reference these fields if an error occurs in nfsd4_copy(). If they are not correctly initialized, at the very least, a refcount underflow occurs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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nfsd4_copy结构初始化不当。
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 9e52ff544e0bfa09ee339fd7b0937ee3c080c24e ~ 059434d23c4578d9d02efb92d848ea21bc640112 -
Linux Linux 6.11.3 ~ 6.11.7 -

II. Public POCs for CVE-2024-50241

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III. Intelligence Information for CVE-2024-50241

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Patches & Fixes for CVE-2024-50241 (6)

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-2024-50250 7.8 HIGH fsdax: dax_unshare_iter needs to copy entire blocks
CVE-2024-50235 7.8 HIGH wifi: cfg80211: clear wdev->cqm_config pointer on free
CVE-2024-50230 7.8 HIGH nilfs2: fix kernel bug due to missing clearing of checked flag
CVE-2024-50253 7.8 HIGH bpf: Check the validity of nr_words in bpf_iter_bits_new()
CVE-2024-50237 7.8 HIGH wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower
CVE-2024-50225 7.8 HIGH btrfs: fix error propagation of split bios
CVE-2024-50261 7.8 HIGH macsec: Fix use-after-free while sending the offloading packet
CVE-2024-50262 7.8 HIGH bpf: Fix out-of-bounds write in trie_get_next_key()
CVE-2024-50246 7.8 HIGH fs/ntfs3: Add rough attr alloc_size check
CVE-2024-50221 7.8 HIGH drm/amd/pm: Vangogh: Fix kernel memory out of bounds write
CVE-2024-50217 7.8 HIGH btrfs: fix use-after-free of block device file in __btrfs_free_extra_devids()
CVE-2024-50256 7.5 HIGH netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6()
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-2024-50257 7.0 HIGH netfilter: Fix use-after-free in get_info()
CVE-2024-50222 7.0 HIGH iov_iter: fix copy_page_from_iter_atomic() if KMAP_LOCAL_FORCE_MAP
CVE-2024-50245 fs/ntfs3: Fix possible deadlock in mi_read
CVE-2024-50238 phy: qcom: qmp-usbc: fix NULL-deref on runtime suspend
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-2024-50241

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