CVE-2026-46046
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix missing brelse() in ext4_xattr_inode_dec_ref_all()
The commit c8e008b60492 ("ext4: ignore xattrs past end") introduced a refcount leak in when block_csum is false.
ext4_xattr_inode_dec_ref_all() calls ext4_get_inode_loc() to get iloc.bh, but never releases it with brelse().
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 76c365fa7e2a8bb85f0190cdb4b8cdc99b2fdce3 < dd98a5603a212ea9c96c6982ccdbcc748fdb9a56 | affected |
| Linux | Linux | f737418b6de31c962c7192777ee4018906975383 < 153ab2c52355fbebcae622db8e7b506492c73a29 | affected |
| Linux | Linux | cf9291a3449b04688b81e32621e88de8f4314b54 < b706d00206a9e82362a9633efbd8b5775650169b | affected |
| Linux | Linux | 362a90cecd36e8a5c415966d0b75b04a0270e4dd < 1bc1107a3a403a6d440673ed6666f7b07ef868a8 | affected |
| Linux | Linux | eb59cc31b6ea076021d14b04e7faab1636b87d0e < 097227f1ffe1a85bc3c359f81c71e3d40e06e920 | affected |
| Linux | Linux | c8e008b60492cf6fd31ef127aea6d02fd3d314cd < 1e6b0a69bf2c9c819255c7566e4355536d81d9cf | affected |
| Linux | Linux | c8e008b60492cf6fd31ef127aea6d02fd3d314cd < f072906688933bf47fabbaf63560be03357c8298 | affected |
| Linux | Linux | c8e008b60492cf6fd31ef127aea6d02fd3d314cd < 77d059519382bd66283e6a4e83ee186e87e7708f | affected |
| Linux | Linux | 6aff941cb0f7d0c897c3698ad2e30672709135e3 | affected |
| Linux | Linux | 3bc6317033f365ce578eb6039445fb66162722fd | affected |
| Linux | Linux | 836e625b03a666cf93ff5be328c8cb30336db872 | affected |
| Linux | Linux | 5.10.237 < 5.10.258 | affected |
| Linux | Linux | 5.15.181 < 5.15.209 | affected |
| Linux | Linux | 6.1.135 < 6.1.175 | affected |
| Linux | Linux | 6.6.88 < 6.6.140 | affected |
| Linux | Linux | 6.12.24 < 6.12.86 | affected |
| Linux | Linux | 5.4.293 < 5.5 | affected |
| Linux | Linux | 6.13.12 < 6.14 | affected |
| Linux | Linux | 6.14.3 < 6.15 | affected |
| Linux | Linux | 6.15 | affected |
| Linux | Linux | 0 < 6.15 | unaffected |
| Linux | Linux | 5.10.258 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.209 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.175 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.140 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.86 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.27 <= 6.18.* | unaffected |
| Linux | Linux | 7.0.4 <= 7.0.* | unaffected |
| Linux | Linux | 7.1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/dd98a5603a212ea9c96c6982ccdbcc748fdb9a56
- https://git.kernel.org/stable/c/153ab2c52355fbebcae622db8e7b506492c73a29
- https://git.kernel.org/stable/c/b706d00206a9e82362a9633efbd8b5775650169b
- https://git.kernel.org/stable/c/1bc1107a3a403a6d440673ed6666f7b07ef868a8
- https://git.kernel.org/stable/c/097227f1ffe1a85bc3c359f81c71e3d40e06e920
- https://git.kernel.org/stable/c/1e6b0a69bf2c9c819255c7566e4355536d81d9cf
- https://git.kernel.org/stable/c/f072906688933bf47fabbaf63560be03357c8298
- https://git.kernel.org/stable/c/77d059519382bd66283e6a4e83ee186e87e7708f
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