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bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks

Type: advisorySource: OSV1 source record

In the Linux kernel, the following vulnerability has been resolved: bpf: Drop task_to_inode and inet_conn_established from lsm sleepable hooks bpf_lsm_task_to_inode() is called under rcu_read_lock() and bpf_lsm_inet_conn_established() is called from softirq context, so neither hook can be used by sleepable LSM programs.

Announced Source revision 1
Original source ↗

CVE-2026-63865

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:CVE-2026-63865

Kernel

Source reference: /affected/1/package/name

Affected versions
Not stated in this record
Fixed versions
5.15.209

Source reference: /affected/1/ranges

6.1.175

Source reference: /affected/1/ranges

6.6.141

Source reference: /affected/1/ranges

6.12.91

Source reference: /affected/1/ranges

6.18.33

Source reference: /affected/1/ranges

7.0.10

Source reference: /affected/1/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
        "type": "GIT",
        "events": [
          {
            "introduced": "423f16108c9d832bd96059d5c882c8ef6d76eb96"
          },
          {
            "fixed": "452a927cddcd67478d030e646f41cb904a93156f"
          },
          {
            "fixed": "f0fc2a9828171205244a28013f02889f50b71c9f"
          },
          {
            "fixed": "26b380a3ca0b605fd8860995ed6a208f276dd316"
          },
          {
            "fixed": "0d918263c9bfc86078edb2e2f7302a0c6ce42b7c"
          },
          {
            "fixed": "281f2a214565a5cbf8b7355a65738d80bd19b8c5"
          },
          {
            "fixed": "989f1b93907de1753a814996222da375f07e579b"
          },
          {
            "fixed": "beaf0e96b1da74549a6cabd040f9667d83b2e97e"
          }
        ]
      }
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63865.json"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "5.11.0"
          },
          {
            "fixed": "5.15.209"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "5.16.0"
          },
          {
            "fixed": "6.1.175"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.2.0"
          },
          {
            "fixed": "6.6.141"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.7.0"
          },
          {
            "fixed": "6.12.91"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.13.0"
          },
          {
            "fixed": "6.18.33"
          }
        ]
      },
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "6.19.0"
          },
          {
            "fixed": "7.0.10"
          }
        ]
      }
    ],
    "package": {
      "name": "Kernel",
      "ecosystem": "Linux"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63865.json"
    }
  }
]
Related CVEs
CVE-2026-63865

Source reference: /id

Publisher severity

No explicit severity was provided.

Event
#50744 · Revision 1
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Publisher date
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