DEBIAN-CVE-2024-42239

In the Linux kernel, the following vulnerability has been resolved: bpf: Fail bpftimercancel when callback is being cancelled Given a schedule: timer1 cb timer2 cb bpftimercanceltimer2; bpftimercanceltimer1; Both bpftimercancel calls would wait for the other callback to finish executing,...

AZL-47453 CVE-2024-42239 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: bpf: Fail bpftimercancel when callback is being cancelled Given a schedule: timer1 cb timer2 cb bpftimercanceltimer2; bpftimercanceltimer1; Both bpftimercancel calls would wait for the other callback to finish executing,...

AZL-47604 CVE-2024-42239 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fail bpftimercancel when callback is being cancelled Given a schedule: timer1 cb timer2 cb bpftimercanceltimer2; bpftimercanceltimer1; Both bpftimercancel calls would wait for the other callback to finish executing,...

UBUNTU-CVE-2024-42246

In the Linux kernel, the following vulnerability has been resolved: net, sunrpc: Remap EPERM in case of connection failure in xstcpsetupsocket When using a BPF program on kernelconnect, the call can return -EPERM. This causes xstcpsetupsocket to loop forever, filling up the syslog and causing the...

UBUNTU-CVE-2024-42239

In the Linux kernel, the following vulnerability has been resolved: bpf: Fail bpftimercancel when callback is being cancelled Given a schedule: timer1 cb timer2 cb bpftimercanceltimer2; bpftimercanceltimer1; Both bpftimercancel calls would wait for the other callback to finish executing,...

CVE-2024-42246 net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket

In the Linux kernel, the following vulnerability has been resolved: net, sunrpc: Remap EPERM in case of connection failure in xstcpsetupsocket When using a BPF program on kernelconnect, the call can return -EPERM. This causes xstcpsetupsocket to loop forever, filling up the syslog and causing the...

CVE-2024-42246 net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket

In the Linux kernel, the following vulnerability has been resolved: net, sunrpc: Remap EPERM in case of connection failure in xstcpsetupsocket When using a BPF program on kernelconnect, the call can return -EPERM. This causes xstcpsetupsocket to loop forever, filling up the syslog and causing the...

CVE-2024-42239 bpf: Fail bpf_timer_cancel when callback is being cancelled

In the Linux kernel, the following vulnerability has been resolved: bpf: Fail bpftimercancel when callback is being cancelled Given a schedule: timer1 cb timer2 cb bpftimercanceltimer2; bpftimercanceltimer1; Both bpftimercancel calls would wait for the other callback to finish executing,...

kernel: bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel

A use-after-free flaw was found in the Linux kernel’s BPF functionality. This flaw allows a local user to crash the system...

CLSA-2024-1722977984 kernel: Fix of 16 CVEs

ima: Fix use-after-free on a dentry's dname.name CVE-2024-39494 - ima: define imamaxdigestdata struct without a flexible array variable - ima: detect changes to the backing overlay file - tcp: Use refcountincnotzero in tcptwskunique. CVE-2024-36904 - afunix: Fix garbage collector racing against...

SUSE CVE-2024-41045

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer work in bpftimercancelandfree Currently, the same case as previous patch two timer callbacks trying to cancel each other can be invoked through bpfmapupdateelem as well, or more precisely, freeing map elements containi...

SUSE CVE-2024-41048

In the Linux kernel, the following vulnerability has been resolved: skmsg: Skip zero length skb in skmsgrecvmsg When running BPF selftests ./testprogs -t sockmapbasic on a Loongarch platform, the following kernel panic occurs: ... Oops1: CPU: 22 PID: 2824 Comm: testprogs Tainted: G OE 6.10.0-rc2+...

SUSE CVE-2024-42063

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf prog stack with kmsanunposionmemory in interpreter mode syzbot reported uninit memory usages during maplookup,deleteelem. ========== BUG: KMSAN: uninit-value in devmaplookupelem kernel/bpf/devmap.c:441 inline BUG:...

SUSE CVE-2024-42072

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix maygoto with negative offset. Zac's syzbot crafted a bpf prog that exposed two bugs in maygoto. The 1st bug is the way maygoto is patched. When offset is negative it should be patched differently. The 2nd bug is in the...

SUSE CVE-2024-42075

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

SUSE CVE-2024-42151

In the Linux kernel, the following vulnerability has been resolved: bpf: mark bpfdummystructops.test1 parameter as nullable Test case dummystops/dummyinitretvalue passes NULL as the first parameter of the test1 function. Mark this parameter as nullable to make verifier aware of such possibility...

SUSE CVE-2024-42161

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

CBL Mariner 2.0 Security Update: kernel (CVE-2024-38662)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-38662 advisory. - In the Linux kernel, the following vulnerability has been resolved: bpf: Allow delete from sockmap/sockhash...

Ubuntu: Security Advisory (USN-6926-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-6926-2: Linux kernel vulnerabilities

黄思聪 discovered that the NFC Controller Interface NCI implementation in the Linux kernel did not properly handle certain memory allocation failure conditions, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash...