CVE-2024-26964: usb: xhci: Add error handling in xhci_map_urb_for_dma
First published: Wed May 01 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Add error handling in xhci_map_urb_for_dma Currently xhci_map_urb_for_dma() creates a temporary buffer and copies the SG list to the new linear buffer. But if the kzalloc_node() fails, then the following sg_pcopy_to_buffer() can lead to crash since it tries to memcpy to NULL pointer. So return -ENOMEM if kzalloc returns null pointer.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.15.154 | 5.15.154 |
| redhat/kernel | <6.1.84 | 6.1.84 |
| redhat/kernel | <6.6.24 | 6.6.24 |
| redhat/kernel | <6.7.12 | 6.7.12 |
| redhat/kernel | <6.8.3 | 6.8.3 |
| redhat/kernel | <6.9 | 6.9 |
| Linux Kernel | >=5.11<5.15.154 | |
| Linux Kernel | >=5.16<6.1.84 | |
| Linux Kernel | >=6.2<6.6.24 | |
| Linux Kernel | >=6.7<6.7.12 | |
| Linux Kernel | >=6.8<6.8.3 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/4a49d24fdec0a802aa686a567a3989a9fdf4e5dd
- https://git.kernel.org/stable/c/620b6cf2f1a270f48d38e6b8ce199c1acb3e90f4
- https://git.kernel.org/stable/c/7b6cc33593d7ccfc3011b290849cfa899db46757
- https://git.kernel.org/stable/c/962300a360d24c5be5a188cda48da58a37e4304d
- https://git.kernel.org/stable/c/b2c898469dfc388f619c6c972a28466cbb1442ea
- https://git.kernel.org/stable/c/be95cc6d71dfd0cba66e3621c65413321b398052
- https://launchpad.net/bugs/cve/CVE-2024-26964
- https://access.redhat.com/security/cve/CVE-2024-26964
- https://lore.kernel.org/linux-cve-announce/2024050130-CVE-2024-26964-54c8@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2278170
- https://access.redhat.com/errata/RHSA-2024:3618
- https://access.redhat.com/errata/RHSA-2024:3627
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2278169
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26964
- https://nvd.nist.gov/vuln/detail/CVE-2024-26964
- https://security-tracker.debian.org/tracker/CVE-2024-26964
- https://ubuntu.com/security/CVE-2024-26964
- https://git.kernel.org/linus/be95cc6d71dfd0cba66e3621c65413321b398052
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-26964?
CVE-2024-26964 has been classified as a medium severity vulnerability based on its potential impact on system stability.
How do I fix CVE-2024-26964?
To fix CVE-2024-26964, you should upgrade to the kernel versions 5.15.154, 6.1.84, 6.6.24, 6.7.12, 6.8.3, or 6.9 depending on your system.
Which operating systems are affected by CVE-2024-26964?
CVE-2024-26964 affects various Linux distributions that utilize the Linux kernel versions below the specified fixed versions.
What is the impact of CVE-2024-26964 on the Linux kernel?
CVE-2024-26964 may cause inadequate error handling in the Linux kernel's USB subsystem, potentially leading to system instability.
Is CVE-2024-26964 related to any specific Linux kernel components?
Yes, CVE-2024-26964 specifically affects the xHCI USB host controller driver in the Linux kernel.
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