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CVE-2026-52970 In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: fix missing expect put in obj…
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: fix missing expect put in obj eval nft_ct_expect_obj_eval() allocates an expectation and may call nf_ct_expect_related(), but never drops its local reference. Add nf_ct_expect_put(exp) before return to balance allocation.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 7.1 | earliest → < 7.1 | 7.1 |
| Linux 7.0 | earliest → < 7.0.10 | 7.0.10 |
| Linux 6.18 | earliest → < 6.18.33 | 6.18.33 |
| Linux 6.12 | earliest → < 6.12.91 | 6.12.91 |
| Linux 6.6 | earliest → < 6.6.141 | 6.6.141 |
| Linux 6.1 | earliest → < 6.1.175 | 6.1.175 |
| Linux 5.15 | earliest → < 5.15.209 | 5.15.209 |
| Linux 5.10 | earliest → < 5.10.258 | 5.10.258 |
| Linux | 5.3 | No fix stated |
Show the 3 other branches Hide the 3 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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