CVE-2026-6245— Red Hat System Security Services Daemon 安全漏洞
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I. CVE-2026-6245の基本情報
脆弱性情報
脆弱性についてご質問がありますか？Shenlongの分析が参考になるかご確認ください！
Shenlongの10の質問を表示 ↗ 高度な大規模言語モデル技術を使用していますが、出力には不正確または古い情報が含まれる可能性があります。Shenlongはデータの正確性を確保するよう努めていますが、実際の状況に基づいて検証・判断してください。
脆弱性タイトル
Sssd: out-of-bounds read in the sssd
ソース: NVD (National Vulnerability Database)
脆弱性説明
A flaw was found in the System Security Services Daemon (SSSD). The pam_passkey_child_read_data() function within the PAM passkey responder fails to properly handle raw bytes received from a pipe. Because the data is treated as a NUL-terminated C string without explicit termination, it results in an out-of-bounds read when processed by functions like snprintf(). A local attacker could potentially trigger this vulnerability by initiating a crafted passkey authentication request, causing the SSSD PAM responder to crash, resulting in a local Denial of Service (DoS).
ソース: NVD (National Vulnerability Database)
CVSS情報
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
使用不正确的长度值访问缓冲区
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Red Hat System Security Services Daemon 安全漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Red Hat System Security Services Daemon是美国红帽（Red Hat）公司的一个Linux中的守护进程组件。 Red Hat System Security Services Daemon存在安全漏洞，该漏洞源于pam_passkey_child_read_data函数未正确处理管道原始字节，可能导致本地攻击者通过特制请求触发越界读取，造成拒绝服务。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)
影響を受ける製品
| ベンダー | プロダクト | 影響を受けるバージョン | CPE | 購読 |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | - | cpe:/o:redhat:enterprise_linux:10 | |
| 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 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat OpenShift Container Platform 4 | - | cpe:/a:redhat:openshift:4 |
II. CVE-2026-6245の公開POC
| # | POC説明 | ソースリンク | Shenlongリンク |
|---|
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Same Patch Batch · Red Hat · 2026-04-15 · 10 CVEs total
| CVE-2026-6388 | 9.1 CRITICAL | Argocd-image-updater: argocd image updater: cross-namespace privilege escalation via insuf |
| CVE-2026-6384 | 7.3 HIGH | Gimp: gimp: arbitrary code execution or denial of service via buffer overflow in gif image |
| CVE-2026-6385 | 6.5 MEDIUM | Ffmpeg: ffmpeg: denial of service and potential arbitrary code execution via signed intege |
| CVE-2026-40919 | 6.1 MEDIUM | Gimp: gimp: denial of service via specially crafted seattle filmworks file |
| CVE-2026-40918 | 5.5 MEDIUM | Gimp: gimp: denial of service via crafted pvr image file |
| CVE-2026-40915 | 5.5 MEDIUM | Gimp: gimp: heap buffer overflow due to integer overflow in fits image loader |
| CVE-2026-6383 | 5.4 MEDIUM | Kubevirt: kubevirt: unauthorized subresource access due to improper rbac evaluation |
| CVE-2026-40917 | 5.0 MEDIUM | Gimp: gimp: application crashes or information disclosure via crafted icns image files |
| CVE-2026-40916 | 5.0 MEDIUM | Gimp: gimp: denial of service due to stack buffer overflow in tim image loader |
IV. 関連脆弱性
- CVE-2026-42011
Gnutls: gnutls: security bypass due to incorrect name constr - CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in u - CVE-2026-6420
Keylime: keylime: security bypass due to hardcoded tpm quote - CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de - CVE-2026-34000
Xwayland: xorg: x.org x server: information disclosure and d
同じベンダー: Red Hat
- CVE-2026-42011
Gnutls: gnutls: security bypass due to incorrect name constr - CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in u - CVE-2026-6420
Keylime: keylime: security bypass due to hardcoded tpm quote - CVE-2026-34956
Openvswitch: open vswitch: denial of service via malformed f - CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de
同じ弱点: CWE-805
- CVE-2026-34002
Xorg: xwayland: x.org x server: information disclosure or de - CVE-2026-20033
Cisco NX-OS Software Denial of Service Vulnerability - CVE-2026-20010
Cisco Nexus 3000 and 9000 Series Switches Link Layer Discove - CVE-2026-1837
libjxl: Out-of-bounds write in grayscale color transformatio - CVE-2026-0716
Libsoup: out-of-bounds read in libsoup websocket frame proce
V. CVE-2026-6245へのコメント
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