CVE-2024-46829 - Vulnerability Details

Vendors	Products
Linux	Linux Kernel

Link	Providers
https://git.kernel.org/stable/c/1401da1486dc1cdbef6025fd74a3977df3a3e5d0
https://git.kernel.org/stable/c/432efdbe7da5ecfcbc0c2180cfdbab1441752a38
https://git.kernel.org/stable/c/6a976e9a47e8e5b326de671811561cab12e6fb1f
https://git.kernel.org/stable/c/85f03ca98e07cd0786738b56ae73740bce0ac27f
https://git.kernel.org/stable/c/93f44655472d9cd418293d328f9d141ca234ad83
https://git.kernel.org/stable/c/a92d81c9efec9280681c27a2c0a963fd0f1338e0
https://git.kernel.org/stable/c/d33d26036a0274b472299d7dcdaa5fb34329f91b
https://git.kernel.org/stable/c/f13b5afc5c4889569d84c3011ce449f61fccfb28
https://lore.kernel.org/linux-cve-announce/2024092751-CVE-2024-46829-da70@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2024-46829
https://www.cve.org/CVERecord?id=CVE-2024-46829

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
Weaknesses		CWE-667
CPEs		cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:6.11:rc1:::::: cpe:2.3:o:linux:linux_kernel:6.11:rc2:::::: cpe:2.3:o:linux:linux_kernel:6.11:rc3:::::: cpe:2.3:o:linux:linux_kernel:6.11:rc4:::::: cpe:2.3:o:linux:linux_kernel:6.11:rc5:::::: cpe:2.3:o:linux:linux_kernel:6.11:rc6::::::
Vendors & Products		Linux Linux linux Kernel

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Type	Values Removed	Values Added
References		https://lore.kernel.org/linux-cve-announce/2024092751-CVE-2024-46829-da70@gregkh/T https://nvd.nist.gov/vuln/detail/CVE-2024-46829 https://www.cve.org/CVERecord?id=CVE-2024-46829
Metrics	threat_severity `None`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` threat_severity `Moderate`

Type	Values Removed	Values Added
Description		In the Linux kernel, the following vulnerability has been resolved: rtmutex: Drop rt_mutex::wait_lock before scheduling rt_mutex_handle_deadlock() is called with rt_mutex::wait_lock held. In the good case it returns with the lock held and in the deadlock case it emits a warning and goes into an endless scheduling loop with the lock held, which triggers the 'scheduling in atomic' warning. Unlock rt_mutex::wait_lock in the dead lock case before issuing the warning and dropping into the schedule for ever loop. [ tglx: Moved unlock before the WARN(), removed the pointless comment, massaged changelog, added Fixes tag ]
Title		rtmutex: Drop rt_mutex::wait_lock before scheduling
References		https://git.kernel.org/stable/c/1401da1486dc1cdbef6025fd74a3977df3a3e5d0 https://git.kernel.org/stable/c/432efdbe7da5ecfcbc0c2180cfdbab1441752a38 https://git.kernel.org/stable/c/6a976e9a47e8e5b326de671811561cab12e6fb1f https://git.kernel.org/stable/c/85f03ca98e07cd0786738b56ae73740bce0ac27f https://git.kernel.org/stable/c/93f44655472d9cd418293d328f9d141ca234ad83 https://git.kernel.org/stable/c/a92d81c9efec9280681c27a2c0a963fd0f1338e0 https://git.kernel.org/stable/c/d33d26036a0274b472299d7dcdaa5fb34329f91b https://git.kernel.org/stable/c/f13b5afc5c4889569d84c3011ce449f61fccfb28

Show plain JSON

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In the\ngood case it returns with the lock held and in the deadlock case it emits a\nwarning and goes into an endless scheduling loop with the lock held, which\ntriggers the 'scheduling in atomic' warning.\n\nUnlock rt_mutex::wait_lock in the dead lock case before issuing the warning\nand dropping into the schedule for ever loop.\n\n[ tglx: Moved unlock before the WARN(), removed the pointless comment,\n  \tmassaged changelog, added Fixes tag ]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/locking/rtmutex.c"], "versions": [{"version": "3d5c9340d1949733eb37616abd15db36aef9a57c", "lessThan": "432efdbe7da5ecfcbc0c2180cfdbab1441752a38", "status": "affected", "versionType": "git"}, {"version": "3d5c9340d1949733eb37616abd15db36aef9a57c", "lessThan": "6a976e9a47e8e5b326de671811561cab12e6fb1f", "status": "affected", "versionType": "git"}, {"version": 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cpe : cpe:/o:redhat:enterprise_linux:7 (string)

fix_state : Not affected (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 7 (string)

}

3 : { »

cpe : cpe:/o:redhat:enterprise_linux:8 (string)

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 8 (string)

}

4 : { »

cpe : cpe:/o:redhat:enterprise_linux:8 (string)

fix_state : Not affected (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 8 (string)

}

5 : { »

cpe : cpe:/o:redhat:enterprise_linux:9 (string)

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 9 (string)

}

6 : { »

cpe : cpe:/o:redhat:enterprise_linux:9 (string)

fix_state : Not affected (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 9 (string)

}

]

public_date : 2024-09-27T00:00:00Z (string)

references : [ »

0 : https://www.cve.org/CVERecord?id=CVE-2024-46829 https://nvd.nist.gov/vuln/detail/CVE-2024-46829 https://lore.kernel.org/linux-cve-announce/2024092751-CVE-2024-46829-da70@gregkh/T (string)

]

threat_severity : Moderate (string)

}

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

JSON object

JSON object

JSON object

JSON object