CVE-2021-3743

Impact

An out-of-bounds (OOB) memory read flaw was found in the Qualcomm IPC router protocol in the Linux kernel. A missing sanity check allows a local attacker to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• https://bugzilla.redhat.com/show_bug.cgi?id=1997961
• https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e78c597c3eb
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7e78c597c3ebfd0cb329aa09a838734147e4f117
• https://github.com/torvalds/linux/commit/7e78c597c3ebfd0cb329aa09a838734147e4f117
• https://lists.openwall.net/netdev/2021/08/17/124
• https://security.netapp.com/advisory/ntap-20220407-0007/
• https://www.openwall.com/lists/oss-security/2021/08/27/2
• https://www.oracle.com/security-alerts/cpujul2022.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1997961
• https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e78c597c3eb
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7e78c597c3ebfd0cb329aa09a838734147e4f117
• https://github.com/torvalds/linux/commit/7e78c597c3ebfd0cb329aa09a838734147e4f117
• https://lists.openwall.net/netdev/2021/08/17/124
• https://security.netapp.com/advisory/ntap-20220407-0007/
• https://www.openwall.com/lists/oss-security/2021/08/27/2
• https://www.oracle.com/security-alerts/cpujul2022.html