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gsd-2024-27053
Vulnerability from gsd
Modified
2024-02-20 06:02
Details
** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
Aliases
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cve-2024-27053
Vulnerability from cvelistv5
Published
2024-05-01 12:54
Modified
2024-11-05 09:20
Severity ?
EPSS score ?
Summary
wifi: wilc1000: fix RCU usage in connect path
References
Impacted products
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"baseScore": 9.1,
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"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
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"scope": "UNCHANGED",
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"descriptions": [
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wilc1000: fix RCU usage in connect path\n\nWith lockdep enabled, calls to the connect function from cfg802.11 layer\nlead to the following warning:\n\n=============================\nWARNING: suspicious RCU usage\n6.7.0-rc1-wt+ #333 Not tainted\n-----------------------------\ndrivers/net/wireless/microchip/wilc1000/hif.c:386\nsuspicious rcu_dereference_check() usage!\n[...]\nstack backtrace:\nCPU: 0 PID: 100 Comm: wpa_supplicant Not tainted 6.7.0-rc1-wt+ #333\nHardware name: Atmel SAMA5\n unwind_backtrace from show_stack+0x18/0x1c\n show_stack from dump_stack_lvl+0x34/0x48\n dump_stack_lvl from wilc_parse_join_bss_param+0x7dc/0x7f4\n wilc_parse_join_bss_param from connect+0x2c4/0x648\n connect from cfg80211_connect+0x30c/0xb74\n cfg80211_connect from nl80211_connect+0x860/0xa94\n nl80211_connect from genl_rcv_msg+0x3fc/0x59c\n genl_rcv_msg from netlink_rcv_skb+0xd0/0x1f8\n netlink_rcv_skb from genl_rcv+0x2c/0x3c\n genl_rcv from netlink_unicast+0x3b0/0x550\n netlink_unicast from netlink_sendmsg+0x368/0x688\n netlink_sendmsg from ____sys_sendmsg+0x190/0x430\n ____sys_sendmsg from ___sys_sendmsg+0x110/0x158\n ___sys_sendmsg from sys_sendmsg+0xe8/0x150\n sys_sendmsg from ret_fast_syscall+0x0/0x1c\n\nThis warning is emitted because in the connect path, when trying to parse\ntarget BSS parameters, we dereference a RCU pointer whithout being in RCU\ncritical section.\nFix RCU dereference usage by moving it to a RCU read critical section. To\navoid wrapping the whole wilc_parse_join_bss_param under the critical\nsection, just use the critical section to copy ies data"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.