CVE-2022-49776
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
macvlan: enforce a consistent minimal mtu
In the Linux kernel, the following vulnerability has been resolved: macvlan: enforce a consistent minimal mtu macvlan should enforce a minimal mtu of 68, even at link creation. This patch avoids the current behavior (which could lead to crashes in ipv6 stack if the link is brought up) $ ip link add macvlan1 link eno1 mtu 8 type macvlan # This should fail ! $ ip link sh dev macvlan1 5: macvlan1@eno1: <BROADCAST,MULTICAST> mtu 8 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ether 02:47:6c:24:74:82 brd ff:ff:ff:ff:ff:ff $ ip link set macvlan1 mtu 67 Error: mtu less than device minimum. $ ip link set macvlan1 mtu 68 $ ip link set macvlan1 mtu 8 Error: mtu less than device minimum.
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) |
|---|---|---|---|---|---|
| 91572088e3fdbf4fe31cf397926d8b890fdb3237 | affected | git | d2fee7d121d189c6dc905b727d60e7043a6655bb | Unavailable | None listed |
| 91572088e3fdbf4fe31cf397926d8b890fdb3237 | affected | git | 650137a7c0b2892df2e5b0bc112d7b09a78c93c8 | Unavailable | None listed |
| 91572088e3fdbf4fe31cf397926d8b890fdb3237 | affected | git | a62aa84fe19eb24d083d600a074c009a0a66d4f3 | Unavailable | None listed |
| 91572088e3fdbf4fe31cf397926d8b890fdb3237 | affected | git | e929ec98c0c3b10d9c07f3776df0c1a02d7a763e | Unavailable | None listed |
| 91572088e3fdbf4fe31cf397926d8b890fdb3237 | affected | git | e41cbf98df22d08402e65174d147cbb187fe1a33 | Unavailable | None listed |
| 91572088e3fdbf4fe31cf397926d8b890fdb3237 | affected | git | 2b055c719d8f94c15ec9b7659978133030c6a353 | Unavailable | None listed |
| 91572088e3fdbf4fe31cf397926d8b890fdb3237 | affected | git | b64085b00044bdf3cd1c9825e9ef5b2e0feae91a | 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) |
|---|---|---|---|---|---|
| 4.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.10 | Unavailable | None listed |
| 4.14.300 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.267 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.225 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.156 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.80 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.0.10 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1 | unaffected | original_commit_for_fix | Unavailable | * | None listed |