CVE Explorer

CVE-2026-53080

In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_fw: fix NULL dereference of "old" filters before change() Like pointed out by Sashiko [1], since commit ed76f5edccc9 ("net: sched: protect filter_chain list with filter_chain_lock mutex") TC filters are added to a shared block and published to datapath before their ->change() function is called. This is a problem for cls_fw: an invalid filter created with the "old" method can still classify some packets before i

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a7160c8f50eb5e365fa27cc81824930a516868d4e7b7807435c36f79b45e8cfd

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["net/sched/cls_fw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.1"},{"lessThan":"5.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEq…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sched/cls_fw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a719275da488835e987d28effc04679b4aace3a0","status":"affected","version":"ed76f5edccc98fa66f2337f0b3b255d6e1a568b7","versionType":"git"},{"lessThan":"c205da704c84eeb4247d770150440294fd547049","status":"affected","version":"ed76f5edccc98fa66f2337f0b3b255d6e1a568b7","versionType":"git"},{"lessThan":"5dcce34c57d5e5990869384d69deeb9414bf9b92","status":"affected","version":"ed76f5edccc98fa66f2337f0b3b…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/affected/0

Source references

8 source assertions

{"url":"https://git.kernel.org/stable/c/41845bc5bb64f3d615abe575ad655b5e7f193634"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/4fabcfea7a9dd159df32c5df6587fe858cb0d748"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/references/6

{"url":"https://git.kernel.org/stable/c/5dcce34c57d5e5990869384d69deeb9414bf9b92"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/5df49f0579f7e625f2358a219d31fbc7621be799"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/65782b2db7321d5f97c16718c4c7f6c7205a56be"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/references/7

{"url":"https://git.kernel.org/stable/c/829808cbf8cf8a6d07a0e67a5ea2c3fcd63a9e5c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/a719275da488835e987d28effc04679b4aace3a0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/c205da704c84eeb4247d770150440294fd547049"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1dc72a07e06d50ffe3ec216472e0aa90965ff6ee0256ab18cd6a152da4bb3aa0 · sha256:3dff195224243462… · /containers/cna/references/1

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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