NVD Vulnerability Detail
Search Exploit, PoC
CVE-2020-35519
Summary

An out-of-bounds (OOB) memory access flaw was found in x25_bind in net/x25/af_x25.c in the Linux kernel version v5.12-rc5. A bounds check failure allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Publication Date May 7, 2021, 12:15 a.m.
Registration Date May 7, 2021, 10 a.m.
Last Update Nov. 21, 2024, 2:27 p.m.
CVSS3.1 : HIGH
スコア 7.8
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV) ローカル
攻撃条件の複雑さ(AC) 低
攻撃に必要な特権レベル(PR) 低
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) 高
完全性への影響(I) 高
可用性への影響(A) 高
CVSS2.0 : MEDIUM
Score 6.8
Vector AV:L/AC:L/Au:N/C:C/I:P/A:C
攻撃元区分(AV) ローカル
攻撃条件の複雑さ(AC) 低
攻撃前の認証要否(Au) 不要
機密性への影響(C) 高
完全性への影響(I) 低
可用性への影響(A) 高
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.5 4.9.248
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5 5.9.13
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.20 5.4.82
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.15 4.19.162
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.10 4.14.211
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 2.6.12 4.4.248
Configuration2 or higher or less more than less than
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
Linux Kernel における境界外読み取りに関する脆弱性
Title Linux Kernel における境界外読み取りに関する脆弱性
Summary

Linux Kernel には、境界外読み取りに関する脆弱性が存在します。

Possible impacts 情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダ情報および参考情報を参照して適切な対策を実施してください。
Publication Date Dec. 16, 2020, midnight
Registration Date Jan. 11, 2022, 3:02 p.m.
Last Update Jan. 11, 2022, 3:02 p.m.
Affected System
Linux
Linux Kernel 5.12-rc5
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
その他
Change Log
No Changed Details Date of change
1 [2022年01月11日]
  掲載		 Jan. 11, 2022, 3:02 p.m.