CVE-2021-3753
| Summary |
A race problem was seen in the vt_k_ioctl in drivers/tty/vt/vt_ioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vc_mode is not protected by lock-in vt_ioctl (KDSETMDE). The highest threat from this vulnerability is to data confidentiality.
|
| Publication Date |
Feb. 17, 2022, 4:15 a.m. |
| Registration Date |
Feb. 17, 2022, 10 a.m. |
| Last Update |
Nov. 21, 2024, 3:22 p.m. |
|
CVSS3.1 : MEDIUM
|
| スコア |
4.7
|
| Vector |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| 攻撃元区分(AV) |
ローカル |
| 攻撃条件の複雑さ(AC) |
高 |
| 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) |
なし |
| 可用性への影響(A) |
なし |
|
CVSS2.0 : LOW
|
| Score |
1.9
|
| Vector |
AV:L/AC:M/Au:N/C:P/I:N/A:N |
| 攻撃元区分(AV) |
ローカル |
| 攻撃条件の複雑さ(AC) |
中 |
| 攻撃前の認証要否(Au) |
不要 |
| 機密性への影響(C) |
低 |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
なし |
| 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:*:*:*:*:*:*:*:* |
|
|
|
5.15 |
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
|
|
|
|
| Configuration3 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* |
|
|
|
|
| Configuration4 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:bootstrap_os:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:* |
| Configuration5 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* |
| Configuration6 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* |
| Configuration7 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* |
| Configuration8 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* |
| Configuration9 |
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、および競合状態に関する脆弱性が存在します。
|
| Possible impacts |
情報を取得される可能性があります。 |
| Solution |
ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。 |
| Publication Date |
Aug. 31, 2021, midnight |
| Registration Date |
June 21, 2023, 11:52 a.m. |
| Last Update |
June 21, 2023, 11:52 a.m. |
Affected System
| レッドハット |
|
Red Hat Enterprise Linux
|
| NetApp |
|
Active IQ Unified Manager
|
|
Bootstrap OS
|
|
Element Software
|
|
H300S ファームウェア
|
|
H500S ファームウェア
|
|
H700S ファームウェア
|
|
NetApp HCI Management Node
|
|
NetApp SolidFire
|
| Linux |
|
Linux Kernel
|
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
Change Log
| No |
Changed Details |
Date of change |
| 1 |
[2023年06月19日] 掲載 |
June 19, 2023, 2:46 p.m. |