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

CVE-2024-47713
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.26 % · percentile 18 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

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.

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 5061b0c2b9066de426fbc63f1278d2210e789412 < 07eb0bd7b0a8abed9d45e0f567c9af1dc83e5268 ; affected 5061b0c2b9066de426fbc63f1278d2210e789412 < 04f75f5bae33349283d6886901d9acd2f110c024 ; affected 5061b0c2b9066de426fbc63f1278d2210e789412 < f232916fab67ca1c3425926df4a866e59ff26908 ; affected 5061b0c2b9066de426fbc63f1278d2210e789412 < acb53a716e492a02479345157c43f21edc8bc64b ; affected 5061b0c2b9066de426fbc63f1278d2210e789412 < db5ca4b42ccfa42d2af7b335ff12578e57775c02 ; affected 5061b0c2b9066de426fbc63f1278d2210e789412 < 058c9026ad79dc98572442fd4c7e9a36aba6f596
Linux · Linuxaffected 2.6.32 ; unaffected 0 < 2.6.32 ; unaffected 4.19.323 ≤ 4.19.* ; unaffected 5.4.285 ≤ 5.4.* ; unaffected 5.10.227 ≤ 5.10.* ; unaffected 5.15.168 ≤ 5.15.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD