CVE-2024-26838
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2024-26838
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-26838.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2024-26838
- Downstream
- Related
- Published
- 2024-04-17T10:15:09Z
- Modified
- 2025-08-09T20:01:28Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
RDMA/irdma: Fix KASAN issue with tasklet
KASAN testing revealed the following issue assocated with freeing an IRQ.
[50006.466686] Call Trace: [50006.466691] <IRQ> [50006.489538] dumpstack+0x5c/0x80 [50006.493475] printaddressdescription.constprop.6+0x1a/0x150 [50006.499872] ? irdmascprocessceq+0x483/0x790 [irdma] [50006.505742] ? irdmascprocessceq+0x483/0x790 [irdma] [50006.511644] kasanreport.cold.11+0x7f/0x118 [50006.516572] ? irdmascprocessceq+0x483/0x790 [irdma] [50006.522473] irdmascprocessceq+0x483/0x790 [irdma] [50006.528232] irdmaprocessceq+0xb2/0x400 [irdma] [50006.533601] ? irdmahwflushwqescallback+0x370/0x370 [irdma] [50006.540298] irdmaceqdpc+0x44/0x100 [irdma] [50006.545306] taskletactioncommon.isra.14+0x148/0x2c0 [50006.551096] _dosoftirq+0x1d0/0xaf8 [50006.555396] irqexitrcu+0x219/0x260 [50006.559670] irqexit+0xa/0x20 [50006.563320] smpapictimerinterrupt+0x1bf/0x690 [50006.568645] apictimerinterrupt+0xf/0x20 [50006.573341] </IRQ>
The issue is that a tasklet could be pending on another core racing the delete of the irq.
Fix by insuring any scheduled tasklet is killed after deleting the irq.
- References
-
- https://git.kernel.org/stable/c/0ae8ad0013978f7471f22bcf45b027393e87f5dc
- https://git.kernel.org/stable/c/635d79aa477f9912e602feb5498bdd51fb9cb824
- https://git.kernel.org/stable/c/b2e4a5266e3d133b4c7f0e43bf40d13ce14fd1aa
- https://git.kernel.org/stable/c/bd97cea7b18a0a553773af806dfbfac27a7c4acb
- https://git.kernel.org/stable/c/c6f1ca235f68b22b3e691b2ea87ac285e5946848