CVE-2024-35806
soc: fsl: qbman: Always disable interrupts when taking cgr_lock
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 4.10, 4.15, 4.16
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: soc: fsl: qbman: Always disable interrupts when taking cgr_lock smp_call_function_single disables IRQs when executing the callback. To prevent deadlocks, we must disable IRQs when taking cgr_lock elsewhere. This is already done by qman_update_cgr and qman_delete_cgr; fix the other lockers.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
From 4.9.92 · fixed in 4.10; From 4.14.32 · fixed in 4.15; From 4.15.15 · fixed in 4.16
- Linux Linux
4.16
References 9
git.kernel.org
- stable/c/b56a793f267679945d1fdb9a280013bd2d0ed7f9
- stable/c/62c3ecd2833cff0eff4a82af4082c44ca8d2518a
- stable/c/dd199e5b759ffe349622a4b8fbcafc51fc51b1ec
- stable/c/e6378314bb920acb39013051fa65d8f9f8030430
- stable/c/a62168653774c36398d65846a98034436ee66d03
- stable/c/0e6521b0f93ff350434ed4ae61a250907e65d397
- stable/c/276af8efb05c8e47acf2738a5609dd72acfc703f
- stable/c/af25c5180b2b1796342798f6c56fcfd12f5035bd
- stable/c/584c2a9184a33a40fceee838f856de3cffa19be3