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CVE-2024-42257— ext4: use memtostr_pad() for s_volume_name

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，该漏洞源于使用strscpy函数，而不是memtostr_pad函数。

AI Predicted 5.5 Difficulty: Theoretical EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux 744a56389f7398f286231e062c2e63f0de01bcc6< 4378be89ddb7de88d984b67ecfd6191686c42817 affected
744a56389f7398f286231e062c2e63f0de01bcc6< be27cd64461c45a6088a91a04eba5cd44e1767ef affected
6.10 affected
< 6.10 unaffected
6.10.1≤ 6.10.* unaffected
6.11≤ * unaffected
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I. Basic Information for CVE-2024-42257

Vulnerability Information
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Vulnerability Title
ext4: use memtostr_pad() for s_volume_name
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ext4: use memtostr_pad() for s_volume_name As with the other strings in struct ext4_super_block, s_volume_name is not NUL terminated. The other strings were marked in commit 072ebb3bffe6 ("ext4: add nonstring annotations to ext4.h"). Using strscpy() isn't the right replacement for strncpy(); it should use memtostr_pad() instead.
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，该漏洞源于使用strscpy函数，而不是memtostr_pad函数。
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 744a56389f7398f286231e062c2e63f0de01bcc6 ~ 4378be89ddb7de88d984b67ecfd6191686c42817 -
Linux Linux 6.10 -

II. Public POCs for CVE-2024-42257

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III. Intelligence Information for CVE-2024-42257

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Patches & Fixes for CVE-2024-42257 (2)

Same Patch Batch · Linux · 2024-08-08 · 7 CVEs total

CVE-2024-42253 7.8 HIGH gpio: pca953x: fix pca953x_irq_bus_sync_unlock race
CVE-2024-42256 7.5 HIGH cifs: Fix server re-repick on subrequest retry
CVE-2024-42255 tpm: Use auth only after NULL check in tpm_buf_check_hmac_response()
CVE-2024-42254 io_uring: fix error pbuf checking
CVE-2024-42252 closures: Change BUG_ON() to WARN_ON()
CVE-2024-42251 mm: page_ref: remove folio_try_get_rcu()

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-42257

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