netfilter: conntrack_irc: fix possible out-of-bounds read
Summary
| CVE | CVE-2026-53268 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-25 09:16:44 UTC |
| Updated | 2026-06-25 09:16:44 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack_irc: fix possible out-of-bounds read When parsing fails after we've matched the command string we should bail out instead of trying to match a different command. This helper should be deprecated, given prevalence of TLS I doubt it has any relevance in 2026. |
Risk And Classification
EPSS: 0.001720000 probability, percentile 0.068460000 (date 2026-06-25)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 869f37d8e48f3911eb70f38a994feaa8f8380008 4cdda7f868f48e2f81579371584fdbdce37df2c8 git | Not specified |
| CNA | Linux | Linux | affected 869f37d8e48f3911eb70f38a994feaa8f8380008 8a1d6e40dedfe1068aee094d851bd69e289c9fd6 git | Not specified |
| CNA | Linux | Linux | affected 869f37d8e48f3911eb70f38a994feaa8f8380008 0afc802160af0df61ed374fdb97fb34cfe5cdf2f git | Not specified |
| CNA | Linux | Linux | affected 869f37d8e48f3911eb70f38a994feaa8f8380008 7c34f91305292083253df6a9f6c8ede02d4ccaea git | Not specified |
| CNA | Linux | Linux | affected 869f37d8e48f3911eb70f38a994feaa8f8380008 ddddd8271359961e403d11c90c9ba9fc38914f7e git | Not specified |
| CNA | Linux | Linux | affected 869f37d8e48f3911eb70f38a994feaa8f8380008 9e5da2379f968a3ea5a6e38921ab6201576466dc git | Not specified |
| CNA | Linux | Linux | affected 869f37d8e48f3911eb70f38a994feaa8f8380008 573810f61bcd6b6815e2ff53bbdd2b9c9d747176 git | Not specified |
| CNA | Linux | Linux | affected 869f37d8e48f3911eb70f38a994feaa8f8380008 66eba0ffce3b7e11449946b4cbbef8ea36112f56 git | Not specified |
| CNA | Linux | Linux | affected 2.6.20 | Not specified |
| CNA | Linux | Linux | unaffected 2.6.20 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.259 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.210 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.176 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.143 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.94 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.36 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.13 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/573810f61bcd6b6815e2ff53bbdd2b9c9d747176 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/8a1d6e40dedfe1068aee094d851bd69e289c9fd6 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/ddddd8271359961e403d11c90c9ba9fc38914f7e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/0afc802160af0df61ed374fdb97fb34cfe5cdf2f | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/9e5da2379f968a3ea5a6e38921ab6201576466dc | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/4cdda7f868f48e2f81579371584fdbdce37df2c8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/66eba0ffce3b7e11449946b4cbbef8ea36112f56 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/7c34f91305292083253df6a9f6c8ede02d4ccaea | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.