CVE-2024-35915
Published: May 21, 2024Last modified: May 21, 2024
Description
In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet syzbot reported the following uninit-value access issue [1][2]: nci_rx_work() parses and processes received packet. When the payload length is zero, each message type handler reads uninitialized payload and KMSAN detects this issue. The receipt of a packet with a zero-size payload is considered unexpected, and therefore, such packets should be silently discarded. This patch resolved this issue by checking payload size before calling each message type handler codes.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.89-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/03fe259649a551d336a7f20919b641ea100e3fff
- https://git.kernel.org/stable/c/11387b2effbb55f58dc2111ef4b4b896f2756240
- https://git.kernel.org/stable/c/755e53bbc61bc1aff90eafa64c8c2464fd3dfa3c
- https://git.kernel.org/stable/c/8948e30de81faee87eeee01ef42a1f6008f5a83a
- https://git.kernel.org/stable/c/a946ebee45b09294c8b0b0e77410b763c4d2817a
- https://git.kernel.org/stable/c/ac68d9fa09e410fa3ed20fb721d56aa558695e16
- https://git.kernel.org/stable/c/b51ec7fc9f877ef869c01d3ea6f18f6a64e831a7
- https://git.kernel.org/stable/c/d24b03535e5eb82e025219c2f632b485409c898f
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html