Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - 已解決 Linux 核心中的下列弱點：ntfs: fix off-by-one in mapping pairs decoding bounds checks In ntfs_mapping_pairs_decompress(), attr_end points one byte past the end of the attribute record: attr_end = (u8 *)attr + le32_to_cpu(attr->length); The two bounds checks validating that mapping pair data bytes fit within the attribute use strict greater-than (>), which allows a one-byte out-of-bounds read when the data extends exactly to attr_end: b = *buf & 0xf; if (b) { if (unlikely(buf + b > attr_end)) // off-by-one goto io_error; for (deltaxcn = (s8)buf[b--]; b; b--) deltaxcn = (deltaxcn << 8) + buf[b]; } When buf + b == attr_end, the check evaluates to false and buf[b] reads one byte past the valid attribute boundary. The same pattern appears in the LCN delta bytes check. Fix both checks to use >= so that buf[b] at exactly attr_end is correctly rejected as out of bounds. (CVE-2026-72210)

請注意，Nessus 依賴供應商報告的套件存在。

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - 已修复 Linux 内核中的下列漏洞：ntfs: fix off-by-one in mapping pairs decoding bounds checks In ntfs_mapping_pairs_decompress(), attr_end points one byte past the end of the attribute record: attr_end = (u8 *)attr + le32_to_cpu(attr->length); The two bounds checks validating that mapping pair data bytes fit within the attribute use strict greater-than (>), which allows a one-byte out-of-bounds read when the data extends exactly to attr_end: b = *buf & 0xf; if (b) { if (unlikely(buf + b > attr_end)) // off-by-one goto io_error; for (deltaxcn = (s8)buf[b--]; b; b--) deltaxcn = (deltaxcn << 8) + buf[b]; } When buf + b == attr_end, the check evaluates to false and buf[b] reads one byte past the valid attribute boundary. The same pattern appears in the LCN delta bytes check. Fix both checks to use >= so that buf[b] at exactly attr_end is correctly rejected as out of bounds. (CVE-2026-72210)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - Linux カーネルでは、以下の脆弱性が解決されています: ntfs: fix off-by-one in mapping pairs decoding bounds checks In ntfs_mapping_pairs_decompress(), attr_end points one byte past the end of the attribute record: attr_end = (u8 *)attr + le32_to_cpu(attr->length); The two bounds checks validating that mapping pair data bytes fit within the attribute use strict greater-than (>), which allows a one-byte out-of-bounds read when the data extends exactly to attr_end: b = *buf & 0xf; if (b) { if (unlikely(buf + b > attr_end)) // off-by-one goto io_error; for (deltaxcn = (s8)buf[b--]; b; b--) deltaxcn = (deltaxcn << 8) + buf[b]; } When buf + b == attr_end, the check evaluates to false and buf[b] reads one byte past the valid attribute boundary. The same pattern appears in the LCN delta bytes check. Fix both checks to use >= so that buf[b] at exactly attr_end is correctly rejected as out of bounds. (CVE-2026-72210)

Nessus は、ベンダーによって報告されたパッケージの存在に依存していることに注意してください。

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In the Linux kernel, the following vulnerability has been resolved: ntfs: fix off-by-one in mapping pairs     decoding bounds checks In ntfs_mapping_pairs_decompress(), attr_end points one byte past the end of the     attribute record: attr_end = (u8 *)attr + le32_to_cpu(attr->length); The two bounds checks validating that     mapping pair data bytes fit within the attribute use strict greater-than (>), which allows a one-byte out-     of-bounds read when the data extends exactly to attr_end: b = *buf & 0xf; if (b) { if (unlikely(buf + b >     attr_end)) // off-by-one goto io_error; for (deltaxcn = (s8)buf[b--]; b; b--) deltaxcn = (deltaxcn << 8) +     buf[b]; } When buf + b == attr_end, the check evaluates to false and buf[b] reads one byte past the valid     attribute boundary. The same pattern appears in the LCN delta bytes check. Fix both checks to use >= so     that buf[b] at exactly attr_end is correctly rejected as out of bounds. (CVE-2026-72210)

Note that Nessus relies on the presence of the package as reported by the vendor.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142566 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    ntfs: fix off-by-one in mapping pairs decoding bounds checks

    In ntfs_mapping_pairs_decompress(), attr_end points one byte past the     end of the attribute record:

        attr_end = (u8 *)attr + le32_to_cpu(attr->length);

    The two bounds checks validating that mapping pair data bytes fit within     the attribute use strict greater-than (>), which allows a one-byte     out-of-bounds read when the data extends exactly to attr_end:

      b = *buf & 0xf;
      if (b) {           if (unlikely(buf + b > attr_end))   // off-by-one               goto io_error;
          for (deltaxcn = (s8)buf[b--]; b; b--)               deltaxcn = (deltaxcn << 8) + buf[b];
      }

    When buf + b == attr_end, the check evaluates to false and buf[b] reads     one byte past the valid attribute boundary. The same pattern appears in     the LCN delta bytes check.

    Fix both checks to use >= so that buf[b] at exactly attr_end is     correctly rejected as out of bounds.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
335536	Linux Distros 未修補弱點：CVE-2026-72210	Nessus	Misc.	2026/8/15	2026/8/21	critical
335536	Linux Distros 未修补的漏洞：CVE-2026-72210	Nessus	Misc.	2026/8/15	2026/8/21	critical
335536	Linux Distros のパッチ未適用の脆弱性: CVE-2026-72210	Nessus	Misc.	2026/8/15	2026/8/21	critical
335536	Linux Distros Unpatched Vulnerability : CVE-2026-72210	Nessus	Misc.	2026/8/15	2026/8/21	critical
370722	Unity Linux 20.1020e / 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-142566)	Nessus	Unity Linux Local Security Checks	2026/10/22	2026/10/22	critical

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