CVE-2026-98237
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
net: wwan: mhi_wwan_mbim: guard against a cyclic NDP chain
In the Linux kernel, the following vulnerability has been resolved: net: wwan: mhi_wwan_mbim: guard against a cyclic NDP chain The NDP traversal in mhi_mbim_rx() only stops when wNextNdpIndex is zero. Nothing requires the offsets to advance, so a modem that points an NDP at itself, or at an earlier NDP, keeps the loop spinning forever on one CPU. Break out when the next NDP offset is not larger than the current one. Verified in a QEMU guest with a fault injector feeding the driver's receive callback an NTB whose single NDP points at itself: the unpatched driver spins in mhi_mbim_rx() with one CPU pinned at 100% and the thread never returns. With this check the loop terminates within one iteration. Changes in v2: move the non-increasing check to the wNextNdpIndex retrieval site, as suggested by Loic Poulain, instead of tracking the previous offset in a separate variable.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| aa730a9905b7b079ef2fffdab7f15dbb842f5c7c | affected | git | 3ed36ee1b29b028f6bc2ebe100152f61a33df05a | Unavailable | None listed |
| aa730a9905b7b079ef2fffdab7f15dbb842f5c7c | affected | git | e4b2c7b50d4f4aa1ddfff731b136d65f65b2b526 | Unavailable | None listed |
| aa730a9905b7b079ef2fffdab7f15dbb842f5c7c | affected | git | 19b5e8dd884a530d04482e1a8e547f43cad17ed7 | Unavailable | None listed |
| aa730a9905b7b079ef2fffdab7f15dbb842f5c7c | affected | git | 24ade82d6d993274e99c2c6998848751c35292e7 | Unavailable | None listed |
| aa730a9905b7b079ef2fffdab7f15dbb842f5c7c | affected | git | 8dad70ff7e25cbcfbcb5101fdbf36d98003eb653 | Unavailable | None listed |
| aa730a9905b7b079ef2fffdab7f15dbb842f5c7c | affected | git | 829fec45122da58d77a55a3b7ca514dafab98e77 | Unavailable | None listed |
| aa730a9905b7b079ef2fffdab7f15dbb842f5c7c | affected | git | 5d063822ac5184939c1ed377a339a01d8ae814e8 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.15 | Unavailable | None listed |
| 5.15.222 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.189 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.158 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.112 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.54 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 7.2.8 | unaffected | semver | Unavailable | 7.2.* | None listed |
| 7.3 | unaffected | original_commit_for_fix | Unavailable | * | None listed |