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wifi: mac80211: use two-phase skb reclamation in ieee80211_do_stop()

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use two-phase skb reclamation in ieee80211_do_stop() Since '__dev_queue_xmit()' should be called with interrupts enabled, the following backtrace: ieee80211_do_stop() ... spin_lock_irqsave(&local->queue_stop_reason_lock, flags) ... ieee80211_free_txskb() ieee80211_report_used_skb() ieee80211_report_ack_skb() cfg80211_mgmt_tx_status_ext() nl80211_frame_tx_status() genlmsg_multicast_netns() genlmsg_multicast_netns_filtered() nlmsg_multicast_filtered() netlink_broadcast_filtered() do_one_broadcast() netlink_broadcast_deliver() __netlink_sendskb() netlink_deliver_tap() __netlink_deliver_tap_skb() dev_queue_xmit() __dev_queue_xmit() ; with IRQS disabled ... spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags) issues the warning (as reported by syzbot reproducer): WARNING: CPU: 2 PID: 5128 at kernel/softirq.c:362 __local_bh_enable_ip+0xc3/0x120 Fix this by implementing a two-phase skb reclamation in 'ieee80211_do_stop()', where actual work is performed outside of a section with interrupts disabled.

Announced Source revision 1
Original source ↗

CVE-2024-47713

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: cve:CVE-2024-47713

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5061b0c2b9066de426fbc63f1278d2210e789412",
        "lessThan": "07eb0bd7b0a8abed9d45e0f567c9af1dc83e5268",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5061b0c2b9066de426fbc63f1278d2210e789412",
        "lessThan": "04f75f5bae33349283d6886901d9acd2f110c024",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5061b0c2b9066de426fbc63f1278d2210e789412",
        "lessThan": "f232916fab67ca1c3425926df4a866e59ff26908",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5061b0c2b9066de426fbc63f1278d2210e789412",
        "lessThan": "acb53a716e492a02479345157c43f21edc8bc64b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5061b0c2b9066de426fbc63f1278d2210e789412",
        "lessThan": "db5ca4b42ccfa42d2af7b335ff12578e57775c02",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5061b0c2b9066de426fbc63f1278d2210e789412",
        "lessThan": "058c9026ad79dc98572442fd4c7e9a36aba6f596",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5061b0c2b9066de426fbc63f1278d2210e789412",
        "lessThan": "eab272972cffff9cd973b8e4055a8e81c64f7e6a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5061b0c2b9066de426fbc63f1278d2210e789412",
        "lessThan": "ad4b7068b101fbbb4a9ca4b99b25eb051a9482ec",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5061b0c2b9066de426fbc63f1278d2210e789412",
        "lessThan": "9d301de12da6e1bb069a9835c38359b8e8135121",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/mac80211/iface.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "2.6.32"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "2.6.32",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "4.19.323",
        "versionType": "semver",
        "lessThanOrEqual": "4.19.*"
      },
      {
        "status": "unaffected",
        "version": "5.4.285",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.227",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.168",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.113",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.54",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.10.13",
        "versionType": "semver",
        "lessThanOrEqual": "6.10.*"
      },
      {
        "status": "unaffected",
        "version": "6.11.2",
        "versionType": "semver",
        "lessThanOrEqual": "6.11.*"
      },
      {
        "status": "unaffected",
        "version": "6.12",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/mac80211/iface.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2024-47713

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#26735 · Revision 1
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Publisher date
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