cnvd - cnvd-2024-09904

cnvd-2024-09904

Vulnerability from cnvd

Title: Linux kernel内存错误引用漏洞（CNVD-2024-09904）

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存在内存错误引用漏洞，该漏洞源于ext4的fs/ext4/super.c中的__ext4_remount存在释放后重用缺陷，本地攻击者可利用该漏洞在发生故障之前释放旧配额文件名，导致信息泄漏。

Severity: 中

Patch Name: Linux kernel内存错误引用漏洞（CNVD-2024-09904）的补丁

Patch 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存在内存错误引用漏洞，该漏洞源于ext4的fs/ext4/super.c中的__ext4_remount存在释放后重用缺陷，本地攻击者可利用该漏洞在发生故障之前释放旧配额文件名，导致信息泄漏。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://lore.kernel.org/all/20230506142419.984260-2-tytso@mit.edu/

Reference: https://access.redhat.com/security/cve/CVE-2024-0775

Impacted products

Name
Linux Linux kernel <6.4

Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2024-0775",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2024-0775"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eext4\u7684fs/ext4/super.c\u4e2d\u7684__ext4_remount\u5b58\u5728\u91ca\u653e\u540e\u91cd\u7528\u7f3a\u9677\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u53d1\u751f\u6545\u969c\u4e4b\u524d\u91ca\u653e\u65e7\u914d\u989d\u6587\u4ef6\u540d\uff0c\u5bfc\u81f4\u4fe1\u606f\u6cc4\u6f0f\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://lore.kernel.org/all/20230506142419.984260-2-tytso@mit.edu/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-09904",
  "openTime": "2024-02-22",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eext4\u7684fs/ext4/super.c\u4e2d\u7684__ext4_remount\u5b58\u5728\u91ca\u653e\u540e\u91cd\u7528\u7f3a\u9677\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u53d1\u751f\u6545\u969c\u4e4b\u524d\u91ca\u653e\u65e7\u914d\u989d\u6587\u4ef6\u540d\uff0c\u5bfc\u81f4\u4fe1\u606f\u6cc4\u6f0f\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Linux kernel\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2024-09904\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Linux kernel \u003c6.4"
  },
  "referenceLink": "https://access.redhat.com/security/cve/CVE-2024-0775",
  "serverity": "\u4e2d",
  "submitTime": "2024-01-26",
  "title": "Linux kernel\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff08CNVD-2024-09904\uff09"
}

CVE-2024-0775 (GCVE-0-2024-0775)

Vulnerability from cvelistv5

Published

2024-01-22 13:03

Modified

2025-08-30 09:08

Severity ?

6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416 - Use After Free

Summary

A use-after-free flaw was found in the __ext4_remount in fs/ext4/super.c in ext4 in the Linux kernel. This flaw allows a local user to cause an information leak problem while freeing the old quota file names before a potential failure, leading to a use-after-free.

References

▼	URL	Tags
	https://access.redhat.com/security/cve/CVE-2024-0775	vdb-entry, x_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2259414	issue-tracking, x_refsource_REDHAT
	https://scm.linefinity.com/common/linux-stable/commit/4c0b4818b1f636bc96359f7817a2d8bab6370162

Impacted products

Vendor

Product

Version

▼

Version: 0 ≤

Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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