CVE-2026-23053
NFS: Fix a deadlock involving nfs_release_folio()
Reported by linux · Published February 4, 2026
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfs_release_folio() Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfs_release_folio(). The latter cannot make progress due to state recovery being needed. It seems that the only safe thing to do here is to kick off a writeback of the folio, without waiting for completion, or else kicking off an asynchronous commit.
EPSS 0.20% · 10.0th percentile
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| kernel6.12-libbpf-devel | Amazon Linux | 1:6.12.68-92.122.amzn2023 |
| Linux | Linux | cce0be6eb4971456b703aaeafd571650d314bcca, a4810f8beb0122f032f10735f98d257aa6064f4c, 6.3, 49d352bc263fe4a834233338bfaad31b3109addf, 19b4d9ab5e77843eac0429c019470c02f8710b55 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 96780ca55e3cbf4f150fd5a833a61492c9947b5b, 96780ca55e3cbf4f150fd5a833a61492c9947b5b, 96780ca55e3cbf4f150fd5a833a61492c9947b5b |
| Linux | Linux | 6.3, 0, 6.6.130 |
| linux | linux_kernel | 6.3, 6.3, 6.3 |
| Linux | Linux | 96780ca55e3cbf4f150fd5a833a61492c9947b5b, 96780ca55e3cbf4f150fd5a833a61492c9947b5b, 96780ca55e3cbf4f150fd5a833a61492c9947b5b |
Timeline
- Feb 4, 2026 CVE Published
- Feb 5, 2026 EPSS Score (30 in total, the first dated here)
- Feb 12, 2026 Security Advisory (130 in total, the first dated here)
- Mar 22, 2026 Coalition ESS Score (2 in total, the first dated here)
- Jun 1, 2026 PoC Published (2 in total, the first dated here)
- Sep 26, 2026 Distribution Patch (128 in total, the first dated here)
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