CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0CVE-2023-3776 – Use-after-free in Linux kernel's net/sched: cls_fw component
https://notcve.org/view.php?id=CVE-2023-3776
21 Jul 2023 — A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, fw_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability. We recommend upgrading past commit 0323bce598eea038714f941ce2b225... • http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html • CWE-416: Use After Free •
CVSS: 7.8EPSS: 0%CPEs: 5EXPL: 0CVE-2023-3611 – Out-of-bounds write in Linux kernel's net/sched: sch_qfq component
https://notcve.org/view.php?id=CVE-2023-3611
21 Jul 2023 — An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks. We recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64. An out-of-bounds memory write flaw was found in qfq_change_agg in net/sched/sch_qfq.c in the Traffic Control (QoS) subsystem in the Lin... • https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64 • CWE-787: Out-of-bounds Write •
CVSS: 7.8EPSS: 0%CPEs: 6EXPL: 0CVE-2023-3610 – Use-after-free in Linux kernel's netfilter: nf_tables component
https://notcve.org/view.php?id=CVE-2023-3610
21 Jul 2023 — A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Flaw in the error handling of bound chains causes a use-after-free in the abort path of NFT_MSG_NEWRULE. The vulnerability requires CAP_NET_ADMIN to be triggered. We recommend upgrading past commit 4bedf9eee016286c835e3d8fa981ddece5338795. A use-after-free vulnerability was found in the netfilter: nf_tables component in the Linux kernel due to a missing error handling i... • https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=4bedf9eee016286c835e3d8fa981ddece5338795 • CWE-416: Use After Free •
CVSS: 7.8EPSS: 0%CPEs: 9EXPL: 0CVE-2023-3609 – Use-after-free in Linux kernel's net/sched: cls_u32 component
https://notcve.org/view.php?id=CVE-2023-3609
21 Jul 2023 — A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation. If tcf_change_indev() fails, u32_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability. We recommend upgrading past commit 04c55383fa5689357bcdd2c80367... • http://packetstormsecurity.com/files/175072/Kernel-Live-Patch-Security-Notice-LSN-0098-1.html • CWE-415: Double Free CWE-416: Use After Free •
CVSS: 5.5EPSS: 0%CPEs: 2EXPL: 1CVE-2023-0160 – Possibility of deadlock in libbpf function sock_hash_delete_elem
https://notcve.org/view.php?id=CVE-2023-0160
18 Jul 2023 — A deadlock flaw was found in the Linux kernel’s BPF subsystem. This flaw allows a local user to potentially crash the system. The SUSE Linux Enterprise 15 SP5 Azure kernel was updated to receive various security bug fixes. • https://access.redhat.com/security/cve/CVE-2023-0160 • CWE-667: Improper Locking CWE-833: Deadlock •
CVSS: 10.0EPSS: 0%CPEs: 6EXPL: 0CVE-2023-38427 – Ubuntu Security Notice USN-6466-1
https://notcve.org/view.php?id=CVE-2023-38427
17 Jul 2023 — An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts. Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate certain data structure fields when parsing lease contexts, leading to an out-of-bounds read vulnerability. A remote attacker could use this to cause a denial of service or possibly expose sensitive information. Quentin Minster discovered that ... • https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8 • CWE-125: Out-of-bounds Read CWE-191: Integer Underflow (Wrap or Wraparound) •
CVSS: 10.0EPSS: 0%CPEs: 3EXPL: 0CVE-2023-38429 – Ubuntu Security Notice USN-6339-3
https://notcve.org/view.php?id=CVE-2023-38429
17 Jul 2023 — An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in memory allocation (because of ksmbd_smb2_check_message) that may lead to out-of-bounds access. Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the f2fs file system in the Linux ... • https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4 • CWE-193: Off-by-one Error •
CVSS: 9.4EPSS: 0%CPEs: 7EXPL: 0CVE-2023-38431 – Ubuntu Security Notice USN-6466-1
https://notcve.org/view.php?id=CVE-2023-38431
17 Jul 2023 — An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/connection.c in ksmbd does not validate the relationship between the NetBIOS header's length field and the SMB header sizes, via pdu_size in ksmbd_conn_handler_loop, leading to an out-of-bounds read. Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate certain data structure fields when parsing lease contexts, leading to an out-of-bounds read vulnerability. A remote attacker could use thi... • https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8 • CWE-125: Out-of-bounds Read •
CVSS: 9.4EPSS: 0%CPEs: 9EXPL: 0CVE-2023-38432 – Ubuntu Security Notice USN-6466-1
https://notcve.org/view.php?id=CVE-2023-38432
17 Jul 2023 — An issue was discovered in the Linux kernel before 6.3.10. fs/smb/server/smb2misc.c in ksmbd does not validate the relationship between the command payload size and the RFC1002 length specification, leading to an out-of-bounds read. It was discovered that the NTFS file system implementation in the Linux kernel did not properly check buffer indexes in certain situations, leading to an out-of-bounds read vulnerability. A local attacker could possibly use this to expose sensitive information. Stonejiajia, Shir... • https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.10 • CWE-125: Out-of-bounds Read •
CVSS: 9.4EPSS: 0%CPEs: 7EXPL: 0CVE-2023-38430 – Ubuntu Security Notice USN-6466-1
https://notcve.org/view.php?id=CVE-2023-38430
17 Jul 2023 — An issue was discovered in the Linux kernel before 6.3.9. ksmbd does not validate the SMB request protocol ID, leading to an out-of-bounds read. Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate certain data structure fields when parsing lease contexts, leading to an out-of-bounds read vulnerability. A remote attacker could use this to cause a denial of service or possibly expose sensitive information. Quentin Minster discovered that a race condition exist... • https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.9 • CWE-125: Out-of-bounds Read •