btrfs: handle errors from btrfs_dec_ref() properly
Priority LOW 24CWE-617Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-617.
Summary
In the Linux kernel, the following vulnerability has been resolved: btrfs: handle errors from btrfs_dec_ref() properly In walk_up_proc() we BUG_ON(ret) from btrfs_dec_ref(). This is incorrect, we have proper error handling here, return the error.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00261 17th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.236, 5.15.180, 6.1.134 +3Red Hat: 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 2.6.31 and later | 5.10.236, 5.15.180, 6.1.134, 6.6.87, 6.10.10, 6.11 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.31 and later Fixed in 5.10.236, 5.15.180, 6.1.134, 6.6.87, 6.10.10, 6.11 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 5.10.236; 5.11 to before 5.15.180; 5.16 to before 6.1.134; 6.2 to before 6.6.87; 6.7 to before 6.10.10 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.10.236; 5.11 to before 5.15.180; 5.16 to before 6.1.134; 6.2 to before 6.6.87; 6.7 to before 6.10.10 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.236, 5.15.180, 6.1.134, 6.6.87, 6.10.10, 6.11
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
Not affected: 2 products
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2024-46753
- 2026-10-03 Alias added: GHSA-2973-q4qx-mjf5
References
Patch 6
- https://git.kernel.org/stable/c/0e4840ae09f375381167000ce47424818fcbcc7c
- https://git.kernel.org/stable/c/2c4fe45351e544da4b8f10c74b277117a4fa7869
- https://git.kernel.org/stable/c/9c8237021b53d52357c0de07a768582fafb2791d
- https://git.kernel.org/stable/c/67e4ca7ddc67ef949326b4dc404a9678bbe67d72
- https://git.kernel.org/stable/c/a7f16a7a709845855cb5a0e080a52bda5873f9de
- https://git.kernel.org/stable/c/5eb178f373b4f16f3b42d55ff88fc94dd95b93b1
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2024-46753 · CVE Program
- CVE-2024-46753 · NVD
- FIRST EPSS
- GHSA-2973-q4qx-mjf5 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-46753 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences