CVE Explorer

CVE-2026-43203

In the Linux kernel, the following vulnerability has been resolved: atm: fore200e: fix use-after-free in tasklets during device removal When the PCA-200E or SBA-200E adapter is being detached, the fore200e is deallocated. However, the tx_tasklet or rx_tasklet may still be running or pending, leading to use-after-free bug when the already freed fore200e is accessed again in fore200e_tx_tasklet() or fore200e_rx_tasklet(). One of the race conditions can occur as follows: CPU 0 (cleanup)

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b5eb5e75109a6904e16b368692b695fdd4cb0237d9bcbd1ff3cecd970778e685

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/atm/fore200e.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"91f25749aaf57c47ae1e12478144e6ea8c8562f2","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"73fbc5d1a9ccb626937500bbd67136f077d8237b","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"aba0b4bc09376dfc3d53c826514fe38fc8337f52","status":"affected","version":"1da177e4c3f41524e886b7f…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/atm/fore200e.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.252","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"le…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions

{"url":"https://git.kernel.org/stable/c/5189368f10903956be05062d160b2804bf5e5016"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/references/6

{"url":"https://git.kernel.org/stable/c/73fbc5d1a9ccb626937500bbd67136f077d8237b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/8930878101cd40063888a68af73b1b0f8b6c79bc"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/references/7

{"url":"https://git.kernel.org/stable/c/91f25749aaf57c47ae1e12478144e6ea8c8562f2"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/97900f512252a59f23d6ce4ab215cc88fed66e68"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/aba0b4bc09376dfc3d53c826514fe38fc8337f52"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/e075ec9b08f862dade8011481058f7eb5f716c57"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/e4ff4e3ffcf9d5aad380cdd1d8cdc008bb34f97d"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3eb9c294017228a575eebf946ba99486b35a756ef6f3c82c108e36530d0c217c · sha256:d90763209b3c63df… · /containers/cna/references/5

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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