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CVE-2026-64263

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix moving cancelled entry to ent_in_userspace list fuse_uring_cancel() moves entries that are available (these have no reqs attached) to the ent_in_userspace list. ent_list_request_expired() checks the first entry on ent_in_userspace and dereferences ent->fuse_req unconditionally, which will crash on a cancelled entry that was moved to this list. Fix this by freeing the entry and dropping queue_refs directly in f
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:de5fb10bf0013a3a88ca457b5e70daecc66a6bb1a63a726ad0f8d6abddd45d56
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/fuse/dev_uring.c","fs/fuse/dev_uring_i.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"50f3e03db823cabc41fe35c27d77c2bdb112baad","status":"affected","version":"4fea593e625cd50d4d11be227007849b12f17bfb","versionType":"git"},{"lessThan":"e8afc85acdf329361b2d8df2ad9b52364686235f","status":"affected","version":"4fea593e625cd50d4d11be227007849b12f17bfb","versionType":"git"},{"lessThan":"198f45eeb9f78b2a2d6d8be95e4e43468eb2c6bc","status":"affected","version":"4f…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9d8ce33e624c02823a14d6ec59b04c0f31e0d18a6fc2501f25c435fc3a153654 · sha256:ad5a5416d9853001… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/fuse/dev_uring.c","fs/fuse/dev_uring_i.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"origi…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9d8ce33e624c02823a14d6ec59b04c0f31e0d18a6fc2501f25c435fc3a153654 · sha256:ad5a5416d9853001… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/fuse/dev_uring.c","fs/fuse/dev_uring_i.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"50f3e03db823cabc41fe35c27d77c2bdb112baad","status":"affected","version":"4fea593e625cd50d4d11be227007849b12f17bfb","versionType":"git"},{"lessThan":"e8afc85acdf329361b2d8df2ad9b52364686235f","status":"affected","version":"4fea593e625cd50d4d11be227007849b12f17bfb","versionType":"git"},{"lessThan":"198f45eeb9f78b2a2d6d8be95e4e43468eb2c6bc","status":"affected","version":"4f…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9d8ce33e624c02823a14d6ec59b04c0f31e0d18a6fc2501f25c435fc3a153654 · sha256:ad5a5416d9853001… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/fuse/dev_uring.c","fs/fuse/dev_uring_i.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"origi…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9d8ce33e624c02823a14d6ec59b04c0f31e0d18a6fc2501f25c435fc3a153654 · sha256:ad5a5416d9853001… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/198f45eeb9f78b2a2d6d8be95e4e43468eb2c6bc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9d8ce33e624c02823a14d6ec59b04c0f31e0d18a6fc2501f25c435fc3a153654 · sha256:ad5a5416d9853001… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/50f3e03db823cabc41fe35c27d77c2bdb112baad"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9d8ce33e624c02823a14d6ec59b04c0f31e0d18a6fc2501f25c435fc3a153654 · sha256:ad5a5416d9853001… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/e8afc85acdf329361b2d8df2ad9b52364686235f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9d8ce33e624c02823a14d6ec59b04c0f31e0d18a6fc2501f25c435fc3a153654 · sha256:ad5a5416d9853001… · /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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