CVE-2024-35847: irqchip/gic-v3-its: Prevent double free on error
First published: Fri May 17 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Prevent double free on error The error handling path in its_vpe_irq_domain_alloc() causes a double free when its_vpe_init() fails after successfully allocating at least one interrupt. This happens because its_vpe_irq_domain_free() frees the interrupts along with the area bitmap and the vprop_page and its_vpe_irq_domain_alloc() subsequently frees the area bitmap and the vprop_page again. Fix this by unconditionally invoking its_vpe_irq_domain_free() which handles all cases correctly and by removing the bitmap/vprop_page freeing from its_vpe_irq_domain_alloc(). [ tglx: Massaged change log ]
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.19.313 | 4.19.313 |
| redhat/kernel | <5.4.275 | 5.4.275 |
| redhat/kernel | <5.10.216 | 5.10.216 |
| redhat/kernel | <5.15.158 | 5.15.158 |
| redhat/kernel | <6.1.90 | 6.1.90 |
| redhat/kernel | <6.6.30 | 6.6.30 |
| redhat/kernel | <6.8.9 | 6.8.9 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | 5.10.223-1 6.1.106-3 6.1.99-1 6.10.9-1 |
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Reference Links
- https://git.kernel.org/stable/c/03170e657f62c26834172742492a8cb8077ef792
- https://git.kernel.org/stable/c/5b012f77abde89bf0be8a0547636184fea618137
- https://git.kernel.org/stable/c/5dbdbe1133911ca7d8466bb86885adec32ad9438
- https://git.kernel.org/stable/c/aa44d21574751a7d6bca892eb8e0e9ac68372e52
- https://git.kernel.org/stable/c/b72d2b1448b682844f995e660b77f2a1fabc1662
- https://git.kernel.org/stable/c/c26591afd33adce296c022e3480dea4282b7ef91
- https://git.kernel.org/stable/c/dd681710ab77c8beafe2e263064cb1bd0e2d6ca9
- https://git.kernel.org/stable/c/f5417ff561b8ac9a7e53c747b8627a7ab58378ae
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://launchpad.net/bugs/cve/CVE-2024-35847
- https://access.redhat.com/security/cve/CVE-2024-35847
- https://lore.kernel.org/linux-cve-announce/2024051738-CVE-2024-35847-7e4b@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2281269
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://bugzilla.redhat.com/show_bug.cgi?id=2281268
- https://git.kernel.org/linus/c26591afd33adce296c022e3480dea4282b7ef91
- https://security-tracker.debian.org/tracker/CVE-2024-35847
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-35847
- https://nvd.nist.gov/vuln/detail/CVE-2024-35847
- https://ubuntu.com/security/CVE-2024-35847
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