CVE-2022-50876 | THREATINT

Description

In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fix musb_gadget.c rxstate overflow bug The usb function device call musb_gadget_queue() adds the passed request to musb_ep::req_list,If the (request->length > musb_ep->packet_sz) and (is_buffer_mapped(req) return false),the rxstate() will copy all data in fifo to request->buf which may cause request->buf out of bounds. Fix it by add the length check : fifocnt = min_t(unsigned, request->length - request->actual, fifocnt);

PUBLISHED Reserved 2025-12-30 | Published 2025-12-30 | Updated 2025-12-30 | Assigner Linux

Product status

Default status

unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 826f84ab04a5cafe484ea9c2c85a3930068e5cb7

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before a1008c8b9f357691ce6a8fdb8f157aecb2d79167

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 7c80f3a918ba9aa26fb699ee887064ec3af0396a

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before d6afcab1b48f4051211c50145b9e91be3b1b42c9

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before acf0006f2b2b2ca672988875fd154429aafb2a9b

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 3c84c7f592c4ba38f54ddaddd0115acc443025db

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before a9ccd2ab1becf5dcb6d57e9fcd981f5eaa606c96

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 523313881f0aa5cbbdb548ce575b6e58b202bd76

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before eea4c860c3b366369eff0489d94ee4f0571d467d

affected

Default status

affected

4.9.331 (semver)

unaffected

4.14.296 (semver)

unaffected

4.19.262 (semver)

unaffected

5.4.220 (semver)

unaffected

5.10.150 (semver)

unaffected

5.15.75 (semver)

unaffected

5.19.17 (semver)

unaffected

6.0.3 (semver)

unaffected

6.1 (original_commit_for_fix)

unaffected

References

git.kernel.org/...c/826f84ab04a5cafe484ea9c2c85a3930068e5cb7

git.kernel.org/...c/a1008c8b9f357691ce6a8fdb8f157aecb2d79167

git.kernel.org/...c/7c80f3a918ba9aa26fb699ee887064ec3af0396a

git.kernel.org/...c/d6afcab1b48f4051211c50145b9e91be3b1b42c9

git.kernel.org/...c/acf0006f2b2b2ca672988875fd154429aafb2a9b

git.kernel.org/...c/3c84c7f592c4ba38f54ddaddd0115acc443025db

git.kernel.org/...c/a9ccd2ab1becf5dcb6d57e9fcd981f5eaa606c96

git.kernel.org/...c/523313881f0aa5cbbdb548ce575b6e58b202bd76

git.kernel.org/...c/eea4c860c3b366369eff0489d94ee4f0571d467d

cve.org (CVE-2022-50876)

nvd.nist.gov (CVE-2022-50876)

Download JSON