CVE-2026-89951
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)
batman-adv: fix stale receive device on merged fragments
In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix stale receive device on merged fragments Fragment reassembly reuses the skb from the highest-numbered buffered fragment as the merged packet. When that fragment was received on a hard interface which is deleted before the chain completes, the merged skb can re-enter the receive path with a stale skb->dev and skb_iif. batadv_batman_skb_recv() passes such merged packets through the normal receive handlers again. DAT and bridge loop avoidance both derive the ARP header length from skb->dev, so they can dereference the freed net_device before the packet reaches the local mesh interface. Refresh the receive device metadata from the current receive device before running the packet handlers. This keeps internally reinjected merged fragments consistent with the normal receive path after hard interface teardown.
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) |
|---|---|---|---|---|---|
| 610bfc6bc99bc83680d190ebc69359a05fc7f605 | affected | git | 63d86250fa7cbe22451369bd1c0881dfc8190958 | Unavailable | None listed |
| 610bfc6bc99bc83680d190ebc69359a05fc7f605 | affected | git | f830c2dfc1431764db9256b3d5db1695fc9a7f56 | Unavailable | None listed |
| 610bfc6bc99bc83680d190ebc69359a05fc7f605 | affected | git | f4b4ae763b5d59319fad62a00c76676758e7dafa | Unavailable | None listed |
| 610bfc6bc99bc83680d190ebc69359a05fc7f605 | affected | git | 6df64825f8b199921120c685af2abca14b077331 | Unavailable | None listed |
| 610bfc6bc99bc83680d190ebc69359a05fc7f605 | affected | git | a2c272da99c2077088083c14961cf2f1e4506995 | Unavailable | None listed |
| 610bfc6bc99bc83680d190ebc69359a05fc7f605 | affected | git | e91d2cc7441d89a45bad73ad9789159c7441cb80 | Unavailable | None listed |
| 610bfc6bc99bc83680d190ebc69359a05fc7f605 | affected | git | 2dffc8c44b6e3347b3719c6419c07b4a18fea895 | Unavailable | None listed |
| 610bfc6bc99bc83680d190ebc69359a05fc7f605 | affected | git | ad46c907d7d9975a285c1e89a4adde652eaa93f5 | 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) |
|---|---|---|---|---|---|
| 3.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.13 | Unavailable | None listed |
| 5.10.270 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.221 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.188 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.157 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.110 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.51 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 7.2.5 | unaffected | semver | Unavailable | 7.2.* | None listed |
| 7.3 | unaffected | original_commit_for_fix | Unavailable | * | None listed |