CVE-2024-27053 (GCVE-0-2024-27053)

Vulnerability from cvelistv5 – Published: 2024-05-01 12:54 – Updated: 2025-05-04 09:03
VLAI?
Title
wifi: wilc1000: fix RCU usage in connect path
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix RCU usage in connect path With lockdep enabled, calls to the connect function from cfg802.11 layer lead to the following warning: ============================= WARNING: suspicious RCU usage 6.7.0-rc1-wt+ #333 Not tainted ----------------------------- drivers/net/wireless/microchip/wilc1000/hif.c:386 suspicious rcu_dereference_check() usage! [...] stack backtrace: CPU: 0 PID: 100 Comm: wpa_supplicant Not tainted 6.7.0-rc1-wt+ #333 Hardware name: Atmel SAMA5 unwind_backtrace from show_stack+0x18/0x1c show_stack from dump_stack_lvl+0x34/0x48 dump_stack_lvl from wilc_parse_join_bss_param+0x7dc/0x7f4 wilc_parse_join_bss_param from connect+0x2c4/0x648 connect from cfg80211_connect+0x30c/0xb74 cfg80211_connect from nl80211_connect+0x860/0xa94 nl80211_connect from genl_rcv_msg+0x3fc/0x59c genl_rcv_msg from netlink_rcv_skb+0xd0/0x1f8 netlink_rcv_skb from genl_rcv+0x2c/0x3c genl_rcv from netlink_unicast+0x3b0/0x550 netlink_unicast from netlink_sendmsg+0x368/0x688 netlink_sendmsg from ____sys_sendmsg+0x190/0x430 ____sys_sendmsg from ___sys_sendmsg+0x110/0x158 ___sys_sendmsg from sys_sendmsg+0xe8/0x150 sys_sendmsg from ret_fast_syscall+0x0/0x1c This warning is emitted because in the connect path, when trying to parse target BSS parameters, we dereference a RCU pointer whithout being in RCU critical section. Fix RCU dereference usage by moving it to a RCU read critical section. To avoid wrapping the whole wilc_parse_join_bss_param under the critical section, just use the critical section to copy ies data
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c460495ee072fc01a9b1e8d72c179510418cafac , < e556006de4ea93abe2b46cba202a2556c544b8b2 (git)
Affected: c460495ee072fc01a9b1e8d72c179510418cafac , < b4bbf38c350acb6500cbe667b1e2e68f896e4b38 (git)
Affected: c460495ee072fc01a9b1e8d72c179510418cafac , < d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2 (git)
Affected: c460495ee072fc01a9b1e8d72c179510418cafac , < 745003b5917b610352f52fe0d11ef658d6471ec2 (git)
Affected: c460495ee072fc01a9b1e8d72c179510418cafac , < 4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce (git)
Affected: c460495ee072fc01a9b1e8d72c179510418cafac , < 5800ec78775c0cd646f71eb9bf8402fb794807de (git)
Affected: c460495ee072fc01a9b1e8d72c179510418cafac , < dd50d3ead6e3707bb0a5df7cc832730c93ace3a7 (git)
Affected: c460495ee072fc01a9b1e8d72c179510418cafac , < 205c50306acf58a335eb19fa84e40140f4fe814f (git)
Create a notification for this product.
    Linux Linux Affected: 5.1
Unaffected: 0 , < 5.1 (semver)
Unaffected: 5.4.273 , ≤ 5.4.* (semver)
Unaffected: 5.10.214 , ≤ 5.10.* (semver)
Unaffected: 5.15.153 , ≤ 5.15.* (semver)
Unaffected: 6.1.83 , ≤ 6.1.* (semver)
Unaffected: 6.6.23 , ≤ 6.6.* (semver)
Unaffected: 6.7.11 , ≤ 6.7.* (semver)
Unaffected: 6.8.2 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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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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#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\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.273\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.214\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.153\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.83\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.23\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.11\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.2\", \"versionStartIncluding\": \"5.1\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"5.1\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:03:12.080Z\"}}}",
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}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.