CVE-2023-1281highCWE-416

CVE-2023-1281: high-severity vulnerability in Linux Kernel

UAF in Linux kernel's tcindex (traffic control index filter) implementation

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 0.3%
exploitation probability
0.3%top 79% of all CVEs
observed exploitation
nono source reports it
Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this vulnerability to elevate its privileges to root. This issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux Kernel
Related CVEs — Linux Kernel

In the same product, most dangerous first.

CVE-2023-0266HIGHUse after free in SNDRV_CTL_IOCTL_ELEM in Linux KernelEPSS 3.7%KEVCVE-2018-5390—Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of serviceEPSS 73.7%CVE-2023-2163CRITICALIncorrect Verifier Branch Pruning Logic Leads To Arbitrary Read/Write In Linux Kernel and Lateral Privilege EscalationEPSS 3.7%CVE-2023-0045MEDIUMIncorrect indirect branch prediction barrier in the Linux KernelEPSS 2.4%CVE-2022-42896HIGHInfo Leak in l2cap_core in the Linux KernelEPSS 2.1%CVE-2023-31248HIGHLinux Kernel nftables Use-After-Free Local Privilege Escalation VulnerabilityEPSS 1.9%
References
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee059170b1f7e94e55fa6cadee544e176a6e59c2https://kernel.dance/#ee059170b1f7e94e55fa6cadee544e176a6e59c2https://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlhttps://lists.debian.org/debian-lts-announce/2023/05/msg00006.htmlhttps://security.netapp.com/advisory/ntap-20230427-0004/http://www.openwall.com/lists/oss-security/2023/04/11/3