The packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate certain block-size data, which allows local users to cause a denial of service (integer signedness error and out-of-bounds write), or gain privileges (if the CAP_NET_RAW capability is held), via crafted system calls.
総合評価: CVE-2017-7308 は悪用リスクが高い(81.7/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 87.00%、99 パーセンタイル) 根拠: 公開エクスプロイトが 3 件参照されています(Exploit-DB)。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
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。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| 47168 | exploit_db | edb | 2018-12-29 | Exploit-DB ↗ |
| 44654 | exploit_db | edb | 2018-05-18 | Exploit-DB ↗ |
| 41994 | exploit_db | edb | 2017-05-11 | Exploit-DB ↗ |
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 | 2026-04-01 | 86.34% | 87.00% | +0.66% |
| 2 | 2026-03-19 | 86.12% | 86.34% | +0.22% |
| 3 | 2026-03-07 | — | 86.12% | — |
EPSS の全履歴 (全 55 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 | [email protected] |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-7308 not yet assigned 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-2017-7308 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2017-7308 |
suse
|
medium | CVE-2017-7308 severity moderate: SUSE including 244 source package names (cluster-md-kmp-default-4.4.59-92.17.3, cluster-md-kmp-rt-4.4.74-7.10.1, …), 590 product×package rows across 81 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (81 product lines)): Fixed 355, Known Not Affected 235. | https://www.suse.com/security/cve/CVE-2017-7308/ |
ubuntu
|
high | CVE-2017-7308 high priority: Ubuntu including 32 source packages (linux, linux-armadaxp, …), 216 status rows across 7 suites (artful, precise, trusty, upstream, xenial, yakkety, zesty): DNE 145, released 49, ignored 11, not-affected 11. | https://ubuntu.com/security/CVE-2017-7308 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| linux | linux_kernel | >= 2.6.27, < 3.2.89 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.3, < 3.10.107 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.11, < 3.12.74 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.13, < 3.16.44 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.17, < 3.18.52 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 3.19, < 4.1.41 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 4.2, < 4.4.66 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 4.5, < 4.9.26 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| linux | linux_kernel | >= 4.10, < 4.10.14 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://www.securityfocus.com/bid/97234 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2017:1297 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:1298 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:1308 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2018:1854 | Third Party Advisory |
| https://googleprojectzero.blogspot.com/2017/05/exploiting-linux-kernel-via-packet.html | Third Party Advisory |
| https://patchwork.ozlabs.org/patch/744811/ | Third Party Advisory |
| https://patchwork.ozlabs.org/patch/744812/ | Third Party Advisory |
| https://patchwork.ozlabs.org/patch/744813/ | Third Party Advisory |
| https://source.android.com/security/bulletin/2017-07-01 | Third Party Advisory |
| https://www.exploit-db.com/exploits/41994/ | Third Party Advisory VDB Entry |
| https://www.exploit-db.com/exploits/44654/ | Third Party Advisory VDB Entry |