CVE-2023-2166: Null Pointer Dereference
First published: Tue Apr 18 2023(Updated: )
A null pointer dereference issue was found in can protocol in net/can/af_can.c in the Linux before Linux. ml_priv may not be initialized in the receive path of CAN frames. A local user could use this flaw to crash the system or potentially cause a denial of service.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <6.1 | |
| Linux Linux kernel | =6.1 | |
| Linux Linux kernel | =6.1-rc1 | |
| Linux Linux kernel | =6.1-rc2 | |
| Linux Linux kernel | =6.1-rc3 | |
| Linux Linux kernel | =6.1-rc4 | |
| Linux Linux kernel | =6.1-rc5 | |
| Linux Linux kernel | =6.1-rc6 | |
| Linux Linux kernel | =6.1-rc7 | |
| Linux Linux kernel | =6.1-rc8 | |
| redhat/kernel | <6.1 | 6.1 |
| IBM QRadar SIEM | <=7.5 - 7.5.0 UP8 IF01 |
Remedy
https://lore.kernel.org/lkml/CAO4mrfcV_07hbj8NUuZrA8FH-kaRsrFy-2metecpTuE5kKHn5w@mail.gmail.com/
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Reference Links
- https://lore.kernel.org/lkml/CAO4mrfcV_07hbj8NUuZrA8FH-kaRsrFy-2metecpTuE5kKHn5w@mail.gmail.com/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/253491
- https://www.ibm.com/support/pages/node/7150684 (Advisory)
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0acc442309a0a1b01bcdaa135e56e6398a49439c
- https://access.redhat.com/errata/RHSA-2024:0461
- https://access.redhat.com/errata/RHSA-2024:0439
- https://access.redhat.com/errata/RHSA-2024:0448
- https://access.redhat.com/errata/RHSA-2024:0724
- https://access.redhat.com/errata/RHSA-2024:0881
- https://access.redhat.com/errata/RHSA-2024:0897
- https://access.redhat.com/errata/RHSA-2024:1250
- https://access.redhat.com/errata/RHSA-2024:1306
- https://access.redhat.com/errata/RHSA-2024:1367
- https://access.redhat.com/errata/RHSA-2024:1382
- https://access.redhat.com/errata/RHSA-2024:1404
- https://access.redhat.com/errata/RHSA-2024:3528
- https://bugzilla.redhat.com/show_bug.cgi?id=2187813
- https://lore.kernel.org/lkml/CAO4mrfcV_07hbj8NUuZrA8FH-kaRsrFy-2metecpTuE5kKHn5w%40mail.gmail.com/
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