CVSS: 4.4EPSS: 0%CPEs: 4EXPL: 0CVE-2024-40966 – tty: add the option to have a tty reject a new ldisc
https://notcve.org/view.php?id=CVE-2024-40966
In the Linux kernel, the following vulnerability has been resolved: tty: add the option to have a tty reject a new ldisc ... and use it to limit the virtual terminals to just N_TTY. They are kind of special, and in particular, the "con_write()" routine violates the "writes cannot sleep" rule that some ldiscs rely on. This avoids the BUG: sleeping function called from invalid context at kernel/printk/printk.c:2659 when N_GSM has been attached to a virtual console, and gsmld_write() calls con_write() while holding a spinlock, and con_write() then tries to get the console lock. • https://git.kernel.org/stable/c/3c6332f3bb1578b5b10ac2561247b1d6272ae937 https://git.kernel.org/stable/c/287b569a5b914903ba7c438a3c0dbc3410ebb409 https://git.kernel.org/stable/c/5920ac19964f9e20181f63b410d9200ddbf8dc86 https://git.kernel.org/stable/c/6bd23e0c2bb6c65d4f5754d1456bc9a4427fc59b https://access.redhat.com/security/cve/CVE-2024-40966 https://bugzilla.redhat.com/show_bug.cgi?id=2297550 • CWE-99: Improper Control of Resource Identifiers ('Resource Injection') •
CVSS: 4.4EPSS: 0%CPEs: 2EXPL: 0CVE-2024-40965 – i2c: lpi2c: Avoid calling clk_get_rate during transfer
https://notcve.org/view.php?id=CVE-2024-40965
In the Linux kernel, the following vulnerability has been resolved: i2c: lpi2c: Avoid calling clk_get_rate during transfer Instead of repeatedly calling clk_get_rate for each transfer, lock the clock rate and cache the value. A deadlock has been observed while adding tlv320aic32x4 audio codec to the system. When this clock provider adds its clock, the clk mutex is locked already, it needs to access i2c, which in return needs the mutex for clk_get_rate as well. A vulnerability was found in the lpi2c driver in the Linux kernel's i2c subsystem, where the clk_get_rate function is called during data transfers, which can lead to a deadlock situation when an audio codec attempts to access the i2c bus while holding the clock mutex, resulting in a denial of service. • https://git.kernel.org/stable/c/2b42e9587a7a9c7b824e0feb92958f258263963e https://git.kernel.org/stable/c/4268254a39484fc11ba991ae148bacbe75d9cc0a https://access.redhat.com/security/cve/CVE-2024-40965 https://bugzilla.redhat.com/show_bug.cgi?id=2297549 • CWE-833: Deadlock •
CVSS: -EPSS: 0%CPEs: 8EXPL: 0CVE-2024-40963 – mips: bmips: BCM6358: make sure CBR is correctly set
https://notcve.org/view.php?id=CVE-2024-40963
In the Linux kernel, the following vulnerability has been resolved: mips: bmips: BCM6358: make sure CBR is correctly set It was discovered that some device have CBR address set to 0 causing kernel panic when arch_sync_dma_for_cpu_all is called. This was notice in situation where the system is booted from TP1 and BMIPS_GET_CBR() returns 0 instead of a valid address and !!(read_c0_brcm_cmt_local() & (1 << 31)); not failing. The current check whether RAC flush should be disabled or not are not enough hence lets check if CBR is a valid address or not. • https://git.kernel.org/stable/c/d65de5ee8b72868fbbbd39ca73017d0e526fa13a https://git.kernel.org/stable/c/47a449ec09b4479b89dcc6b27ec3829fc82ffafb https://git.kernel.org/stable/c/65b723644294f1d79770704162c0e8d1f700b6f1 https://git.kernel.org/stable/c/2cdbcff99f15db86a10672fb220379a1ae46ccae https://git.kernel.org/stable/c/ab327f8acdf8d06601fbf058859a539a9422afff https://git.kernel.org/stable/c/288c96aa5b5526cd4a946e84ef85e165857693b5 https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373 https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d2368 •
CVSS: 5.5EPSS: 0%CPEs: 7EXPL: 0CVE-2024-40961 – ipv6: prevent possible NULL deref in fib6_nh_init()
https://notcve.org/view.php?id=CVE-2024-40961
In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL deref in fib6_nh_init() syzbot reminds us that in6_dev_get() can return NULL. fib6_nh_init() ip6_validate_gw( &idev ) ip6_route_check_nh( idev ) *idev = in6_dev_get(dev); // can be NULL Oops: general protection fault, probably for non-canonical address 0xdffffc00000000bc: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x00000000000005e0-0x00000000000005e7] CPU: 0 PID: 11237 Comm: syz-executor.3 Not tainted 6.10.0-rc2-syzkaller-00249-gbe27b8965297 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:fib6_nh_init+0x640/0x2160 net/ipv6/route.c:3606 Code: 00 00 fc ff df 4c 8b 64 24 58 48 8b 44 24 28 4c 8b 74 24 30 48 89 c1 48 89 44 24 28 48 8d 98 e0 05 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 b3 17 00 00 8b 1b 31 ff 89 de e8 b8 8b RSP: 0018:ffffc900032775a0 EFLAGS: 00010202 RAX: 00000000000000bc RBX: 00000000000005e0 RCX: 0000000000000000 RDX: 0000000000000010 RSI: ffffc90003277a54 RDI: ffff88802b3a08d8 RBP: ffffc900032778b0 R08: 00000000000002fc R09: 0000000000000000 R10: 00000000000002fc R11: 0000000000000000 R12: ffff88802b3a08b8 R13: 1ffff9200064eec8 R14: ffffc90003277a00 R15: dffffc0000000000 FS: 00007f940feb06c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000245e8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ip6_route_info_create+0x99e/0x12b0 net/ipv6/route.c:3809 ip6_route_add+0x28/0x160 net/ipv6/route.c:3853 ipv6_route_ioctl+0x588/0x870 net/ipv6/route.c:4483 inet6_ioctl+0x21a/0x280 net/ipv6/af_inet6.c:579 sock_do_ioctl+0x158/0x460 net/socket.c:1222 sock_ioctl+0x629/0x8e0 net/socket.c:1341 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f940f07cea9 • https://git.kernel.org/stable/c/428604fb118facce1309670779a35baf27ad044c https://git.kernel.org/stable/c/3200ffeec4d59aad5bc9ca75d2c1fae47c0aeade https://git.kernel.org/stable/c/de5ad4d45cd0128a2a37555f48ab69aa19d78adc https://git.kernel.org/stable/c/4cdfe813015d5a24586bd0a84fa0fa6eb0a1f668 https://git.kernel.org/stable/c/88b9a55e2e35ea846d41f4efdc29d23345bd1aa4 https://git.kernel.org/stable/c/b6947723c9eabcab58cfb33cdb0a565a6aee6727 https://git.kernel.org/stable/c/ae8d3d39efe366c2198f530e01e4bf07830bf403 https://git.kernel.org/stable/c/2eab4543a2204092c3a7af81d7d6c506e • CWE-476: NULL Pointer Dereference •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2024-40960 – ipv6: prevent possible NULL dereference in rt6_probe()
https://notcve.org/view.php?id=CVE-2024-40960
In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible NULL dereference in rt6_probe() syzbot caught a NULL dereference in rt6_probe() [1] Bail out if __in6_dev_get() returns NULL. [1] Oops: general protection fault, probably for non-canonical address 0xdffffc00000000cb: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000658-0x000000000000065f] CPU: 1 PID: 22444 Comm: syz-executor.0 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:rt6_probe net/ipv6/route.c:656 [inline] RIP: 0010:find_match+0x8c4/0xf50 net/ipv6/route.c:758 Code: 14 fd f7 48 8b 85 38 ff ff ff 48 c7 45 b0 00 00 00 00 48 8d b8 5c 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 19 RSP: 0018:ffffc900034af070 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004521000 RDX: 00000000000000cb RSI: ffffffff8990d0cd RDI: 000000000000065c RBP: ffffc900034af150 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000a R13: 1ffff92000695e18 R14: ffff8880244a1d20 R15: 0000000000000000 FS: 00007f4844a5a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b27000 CR3: 000000002d42c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> rt6_nh_find_match+0xfa/0x1a0 net/ipv6/route.c:784 nexthop_for_each_fib6_nh+0x26d/0x4a0 net/ipv4/nexthop.c:1496 __find_rr_leaf+0x6e7/0xe00 net/ipv6/route.c:825 find_rr_leaf net/ipv6/route.c:853 [inline] rt6_select net/ipv6/route.c:897 [inline] fib6_table_lookup+0x57e/0xa30 net/ipv6/route.c:2195 ip6_pol_route+0x1cd/0x1150 net/ipv6/route.c:2231 pol_lookup_func include/net/ip6_fib.h:616 [inline] fib6_rule_lookup+0x386/0x720 net/ipv6/fib6_rules.c:121 ip6_route_output_flags_noref net/ipv6/route.c:2639 [inline] ip6_route_output_flags+0x1d0/0x640 net/ipv6/route.c:2651 ip6_dst_lookup_tail.constprop.0+0x961/0x1760 net/ipv6/ip6_output.c:1147 ip6_dst_lookup_flow+0x99/0x1d0 net/ipv6/ip6_output.c:1250 rawv6_sendmsg+0xdab/0x4340 net/ipv6/raw.c:898 inet_sendmsg+0x119/0x140 net/ipv4/af_inet.c:853 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] sock_write_iter+0x4b8/0x5c0 net/socket.c:1160 new_sync_write fs/read_write.c:497 [inline] vfs_write+0x6b6/0x1140 fs/read_write.c:590 ksys_write+0x1f8/0x260 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f • https://git.kernel.org/stable/c/52e1635631b342803aecaf81a362c1464e3da2e5 https://git.kernel.org/stable/c/f0cda984e4e634b221dbf9642b8ecc5b4806b41e https://git.kernel.org/stable/c/d66fc4826127c82f99c4033380f8e93833d331c7 https://git.kernel.org/stable/c/1ed9849fdf9a1a617129346b11d2094ca26828dc https://git.kernel.org/stable/c/569c9d9ea6648d099187527b93982f406ddcebc0 https://git.kernel.org/stable/c/51ee2f7c30790799d0ec30c0ce0c743e58f046f2 https://git.kernel.org/stable/c/73e7c8ca6ad76f29b2c99c20845a6f3b203ff0c6 https://git.kernel.org/stable/c/6eed6d3cd19ff3cfa83aeceed86da14ab • CWE-476: NULL Pointer Dereference •