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CVE-2024-0841— Kernel: hugetlbfs: null pointer dereference in hugetlbfs_fill_super function

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 8
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hugetlbfs_fill_super函数中发现了null指针取消引用缺陷。

CVSS 6.6 · Medium EPSS 0.30% · P23

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 8

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 6 any unaffected
Red Hat Red Hat Enterprise Linux 7 any unknown
any unknown
Red Hat Red Hat Enterprise Linux 8 0:4.18.0-553.rt7.342.el8_10< * unaffected
0:4.18.0-553.el8_10< * unaffected
Red Hat Red Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4< * unaffected
0:5.14.0-427.13.1.el9_4< * unaffected
any affected
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I. Basic Information for CVE-2024-0841

Vulnerability Information
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Vulnerability Title
Kernel: hugetlbfs: null pointer dereference in hugetlbfs_fill_super function
Source: CVE Program / CVE List V5
Vulnerability Description
A null pointer dereference flaw was found in the hugetlbfs_fill_super function in the Linux kernel hugetlbfs (HugeTLB pages) functionality. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
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hugetlbfs_fill_super函数中发现了null指针取消引用缺陷。
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
Red Hat Red Hat Enterprise Linux 8 0:4.18.0-553.rt7.342.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::nfv
Red Hat Red Hat Enterprise Linux 8 0:4.18.0-553.el8_10 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 9 0:5.14.0-427.13.1.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:rhel_els:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:rhel_els:7
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:rhel_els:7
Red Hat Red Hat Enterprise Linux 9 - cpe:/a:redhat:enterprise_linux:9

II. Public POCs for CVE-2024-0841

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III. Intelligence Information for CVE-2024-0841

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Vendor Advisories for CVE-2024-0841 (5)

Mailing List Discussions for CVE-2024-0841 (1)

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 8
Same vendor: Red Hat
Same weakness: CWE-476