GHSA-m2xh-q35x-h5f5 · 深刻度： high — In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom...
In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdp_umem_reg() could leave us with insufficient space dedicated to even receive minimum-sized ethernet frame. Furthermore if multi-buffer would come to play then skb_shared_info stored at the end of XSK frame would be corrupted. HW typically works with 128-aligned sizes so let us provide this value as bare minimum. Multi-buffer setting is known later in the configuration process so besides accounting for 128 bytes, let us also take care of tailroom space upfront.
総合評価: CVE-2026-43093 は低リスク（32.3/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 0.13%、3 パーセンタイル） 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
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 | 0.02% | 0.13% | +0.11% |
| 2 | 2026-05-06 | — | 0.02% | — |
EPSS の全履歴 （全 2 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 |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
GHSA-m2xh-q35x-h5f5 · 深刻度： high — In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom...
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2026-43093 not yet assigned priority: Debian including 2 source packages (linux, linux-6.1), 6 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 6. | https://security-tracker.debian.org/tracker/CVE-2026-43093 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2026-43093 |
suse
|
medium | CVE-2026-43093 severity moderate: SUSE including 7 source package names (kernel-default, kernel-default-base, …), 13 product×package rows across 3 product lines (SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE, SUSE Linux Enterprise Server 12 SP4-LTSS, SUSE Linux Enterprise Server Teradata 12 SP3): Known Not Affected 13. | https://www.suse.com/security/cve/CVE-2026-43093/ |
ubuntu
|
medium | CVE-2026-43093 medium priority: Ubuntu including 161 source packages (linux, linux-allwinner-5.19, …), 1449 status rows across 9 suites (bionic, focal, jammy, noble, questing, resolute, trusty, upstream, xenial): DNE 1047, ignored 169, needed 111, released 84, not-affected 33, needs-triage 5. | https://ubuntu.com/security/CVE-2026-43093 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| linux | linux_kernel | >= 4.19.118, < 4.20 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 5.4.35, < 5.5 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 5.6.7, < 5.7 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 5.7.1, < 6.6.136 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 6.7, < 6.12.83 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 6.13, < 6.18.24 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 6.19, < 6.19.14 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | 5.7 | cpe:2.3:o:linux:linux_kernel:5.7:-:*:*:*:*:*:* |
| linux | linux_kernel | 5.7 | cpe:2.3:o:linux:linux_kernel:5.7:rc2:*:*:*:*:*:* |
| linux | linux_kernel | 5.7 | cpe:2.3:o:linux:linux_kernel:5.7:rc3:*:*:*:*:*:* |
| linux | linux_kernel | 5.7 | cpe:2.3:o:linux:linux_kernel:5.7:rc4:*:*:*:*:*:* |
| linux | linux_kernel | 5.7 | cpe:2.3:o:linux:linux_kernel:5.7:rc5:*:*:*:*:*:* |
| linux | linux_kernel | 5.7 | cpe:2.3:o:linux:linux_kernel:5.7:rc6:*:*:*:*:*:* |
| linux | linux_kernel | 5.7 | cpe:2.3:o:linux:linux_kernel:5.7:rc7:*:*:*:*:*:* |
| linux | linux_kernel | 7.0 | cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:* |
| linux | linux_kernel | 7.0 | cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:* |
| linux | linux_kernel | 7.0 | cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:* |
| linux | linux_kernel | 7.0 | cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:* |
| linux | linux_kernel | 7.0 | cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:* |
| linux | linux_kernel | 7.0 | cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:* |
| linux | linux_kernel | 7.0 | cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:* |