A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
総合評価: CVE-2023-32248 は高リスク(65.2/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 4.06%、89 パーセンタイル) 根拠: 直近 1 日で EPSS が +3.95% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.11% | 4.06% | +3.95% |
| 2 | 2025-11-21 | 7.29% | 0.11% | -7.18% |
| 3 | 2025-11-18 | — | 7.29% | — |
EPSS の全履歴 (全 18 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2023-32248 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-32248 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2023-32248 |
suse
|
high | CVE-2023-32248 severity important: SUSE including 14 source package names (kernel-default, kernel-default-base, …), 256 product×package rows across 56 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7, … (56 product lines)): Known Not Affected 256. | https://www.suse.com/security/cve/CVE-2023-32248/ |
ubuntu
|
medium | CVE-2023-32248 medium priority: Ubuntu including 167 source packages (linux, linux-allwinner, …), 1970 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 1512, released 180, not-affected 171, ignored 107. | https://ubuntu.com/security/CVE-2023-32248 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| linux | linux_kernel | >= 5.15, < 5.15.111 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 5.16, < 6.1.28 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 6.2, < 6.2.15 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 6.3, < 6.3.2 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| netapp | h300s | — | cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* |
| netapp | h410c | — | cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* |
| netapp | h410s | — | cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* |
| netapp | h500s | — | cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* |
| netapp | h700s | — | cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-32248 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2219818 | Issue Tracking Patch Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20230915-0006/ | Third Party Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-CAN-20479/ | Patch Third Party Advisory VDB Entry |